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Finding the Fourth Proportional to 225,076.40, 337,403.40 and 84,929.20

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Solution

The fourth proportional to 225,076.40, 337,403.40 and 84,929.20 is: 127,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,076.40 : 337,403.40 = 84,929.20 : x
  2. Step 2: Convert to fraction form
    225,076.40/337,403.40 = 84,929.20/x
  3. Step 3: Cross multiply
    225,076.40x = 337,403.40 × 84,929.20
  4. Step 4: Simplify right side
    225,076.40x = 28,655,400,839.28
  5. Step 5: Solve for x
    x = 28,655,400,839.28/225,076.40
  6. Step 6: Final answer
    x = 127,314.11

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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.