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Finding the Fourth Proportional to 108,128.99, 162,193.50 and 32,228.71

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Solution

The fourth proportional to 108,128.99, 162,193.50 and 32,228.71 is: 48,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,128.99 : 162,193.50 = 32,228.71 : x
  2. Step 2: Convert to fraction form
    108,128.99/162,193.50 = 32,228.71/x
  3. Step 3: Cross multiply
    108,128.99x = 162,193.50 × 32,228.71
  4. Step 4: Simplify right side
    108,128.99x = 5,227,286,869.90
  5. Step 5: Solve for x
    x = 5,227,286,869.90/108,128.99
  6. Step 6: Final answer
    x = 48,343.06

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.