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Finding the Fourth Proportional to 119,662.08, 165,125.85 and 65,947.11

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Solution

The fourth proportional to 119,662.08, 165,125.85 and 65,947.11 is: 91,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,662.08 : 165,125.85 = 65,947.11 : x
  2. Step 2: Convert to fraction form
    119,662.08/165,125.85 = 65,947.11/x
  3. Step 3: Cross multiply
    119,662.08x = 165,125.85 × 65,947.11
  4. Step 4: Simplify right side
    119,662.08x = 10,889,572,593.79
  5. Step 5: Solve for x
    x = 10,889,572,593.79/119,662.08
  6. Step 6: Final answer
    x = 91,002.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.