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Finding the Fourth Proportional to 337,043.92, 505,595.32 and 87,726.16

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Solution

The fourth proportional to 337,043.92, 505,595.32 and 87,726.16 is: 131,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,043.92 : 505,595.32 = 87,726.16 : x
  2. Step 2: Convert to fraction form
    337,043.92/505,595.32 = 87,726.16/x
  3. Step 3: Cross multiply
    337,043.92x = 505,595.32 × 87,726.16
  4. Step 4: Simplify right side
    337,043.92x = 44,353,935,937.57
  5. Step 5: Solve for x
    x = 44,353,935,937.57/337,043.92
  6. Step 6: Final answer
    x = 131,596.90

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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.