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Finding the Fourth Proportional to 181,685.94, 250,732.17 and 101,117.94

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Solution

The fourth proportional to 181,685.94, 250,732.17 and 101,117.94 is: 139,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,685.94 : 250,732.17 = 101,117.94 : x
  2. Step 2: Convert to fraction form
    181,685.94/250,732.17 = 101,117.94/x
  3. Step 3: Cross multiply
    181,685.94x = 250,732.17 × 101,117.94
  4. Step 4: Simplify right side
    181,685.94x = 25,353,520,522.13
  5. Step 5: Solve for x
    x = 25,353,520,522.13/181,685.94
  6. Step 6: Final answer
    x = 139,545.86

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1.5x scale

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.