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Finding the Fourth Proportional to 177,937.39, 266,909.17 and 65,559.76

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Solution

The fourth proportional to 177,937.39, 266,909.17 and 65,559.76 is: 98,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,937.39 : 266,909.17 = 65,559.76 : x
  2. Step 2: Convert to fraction form
    177,937.39/266,909.17 = 65,559.76/x
  3. Step 3: Cross multiply
    177,937.39x = 266,909.17 × 65,559.76
  4. Step 4: Simplify right side
    177,937.39x = 17,498,501,127.00
  5. Step 5: Solve for x
    x = 17,498,501,127.00/177,937.39
  6. Step 6: Final answer
    x = 98,340.78

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1.5x scale

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.