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Finding the Fourth Proportional to 225,117.12, 337,724.16 and 67,358.40

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Solution

The fourth proportional to 225,117.12, 337,724.16 and 67,358.40 is: 101,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,117.12 : 337,724.16 = 67,358.40 : x
  2. Step 2: Convert to fraction form
    225,117.12/337,724.16 = 67,358.40/x
  3. Step 3: Cross multiply
    225,117.12x = 337,724.16 × 67,358.40
  4. Step 4: Simplify right side
    225,117.12x = 22,748,559,058.94
  5. Step 5: Solve for x
    x = 22,748,559,058.94/225,117.12
  6. Step 6: Final answer
    x = 101,052.11

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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.