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Finding the Fourth Proportional to 181,706.82, 250,753.50 and 101,133.18

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Solution

The fourth proportional to 181,706.82, 250,753.50 and 101,133.18 is: 139,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,706.82 : 250,753.50 = 101,133.18 : x
  2. Step 2: Convert to fraction form
    181,706.82/250,753.50 = 101,133.18/x
  3. Step 3: Cross multiply
    181,706.82x = 250,753.50 × 101,133.18
  4. Step 4: Simplify right side
    181,706.82x = 25,359,498,851.13
  5. Step 5: Solve for x
    x = 25,359,498,851.13/181,706.82
  6. Step 6: Final answer
    x = 139,562.72

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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.