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Finding the Fourth Proportional to 225,066.40, 337,502.40 and 112,703.20

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Solution

The fourth proportional to 225,066.40, 337,502.40 and 112,703.20 is: 169,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,066.40 : 337,502.40 = 112,703.20 : x
  2. Step 2: Convert to fraction form
    225,066.40/337,502.40 = 112,703.20/x
  3. Step 3: Cross multiply
    225,066.40x = 337,502.40 × 112,703.20
  4. Step 4: Simplify right side
    225,066.40x = 38,037,600,487.68
  5. Step 5: Solve for x
    x = 38,037,600,487.68/225,066.40
  6. Step 6: Final answer
    x = 169,006.13

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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.