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Finding the Fourth Proportional to 123,691.77, 185,549.81 and 34,945.97

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Solution

The fourth proportional to 123,691.77, 185,549.81 and 34,945.97 is: 52,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,691.77 : 185,549.81 = 34,945.97 : x
  2. Step 2: Convert to fraction form
    123,691.77/185,549.81 = 34,945.97/x
  3. Step 3: Cross multiply
    123,691.77x = 185,549.81 × 34,945.97
  4. Step 4: Simplify right side
    123,691.77x = 6,484,216,991.29
  5. Step 5: Solve for x
    x = 6,484,216,991.29/123,691.77
  6. Step 6: Final answer
    x = 52,422.38

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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.