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Finding the Fourth Proportional to 177,937.59, 266,909.50 and 65,559.97

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Solution

The fourth proportional to 177,937.59, 266,909.50 and 65,559.97 is: 98,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,937.59 : 266,909.50 = 65,559.97 : x
  2. Step 2: Convert to fraction form
    177,937.59/266,909.50 = 65,559.97/x
  3. Step 3: Cross multiply
    177,937.59x = 266,909.50 × 65,559.97
  4. Step 4: Simplify right side
    177,937.59x = 17,498,577,358.16
  5. Step 5: Solve for x
    x = 17,498,577,358.16/177,937.59
  6. Step 6: Final answer
    x = 98,341.09

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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.