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Finding the Fourth Proportional to 108,047.46, 162,071.22 and 29,161.68

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Solution

The fourth proportional to 108,047.46, 162,071.22 and 29,161.68 is: 43,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,047.46 : 162,071.22 = 29,161.68 : x
  2. Step 2: Convert to fraction form
    108,047.46/162,071.22 = 29,161.68/x
  3. Step 3: Cross multiply
    108,047.46x = 162,071.22 × 29,161.68
  4. Step 4: Simplify right side
    108,047.46x = 4,726,269,054.85
  5. Step 5: Solve for x
    x = 4,726,269,054.85/108,047.46
  6. Step 6: Final answer
    x = 43,742.53

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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.