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Finding the Fourth Proportional to 225,042.40, 337,352.40 and 84,895.20

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Solution

The fourth proportional to 225,042.40, 337,352.40 and 84,895.20 is: 127,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,042.40 : 337,352.40 = 84,895.20 : x
  2. Step 2: Convert to fraction form
    225,042.40/337,352.40 = 84,895.20/x
  3. Step 3: Cross multiply
    225,042.40x = 337,352.40 × 84,895.20
  4. Step 4: Simplify right side
    225,042.40x = 28,639,599,468.48
  5. Step 5: Solve for x
    x = 28,639,599,468.48/225,042.40
  6. Step 6: Final answer
    x = 127,263.13

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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.