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Finding the Fourth Proportional to 108,210.40, 162,238.80 and 41,624.80

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Solution

The fourth proportional to 108,210.40, 162,238.80 and 41,624.80 is: 62,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,210.40 : 162,238.80 = 41,624.80 : x
  2. Step 2: Convert to fraction form
    108,210.40/162,238.80 = 41,624.80/x
  3. Step 3: Cross multiply
    108,210.40x = 162,238.80 × 41,624.80
  4. Step 4: Simplify right side
    108,210.40x = 6,753,157,602.24
  5. Step 5: Solve for x
    x = 6,753,157,602.24/108,210.40
  6. Step 6: Final answer
    x = 62,407.66

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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.