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Finding the Fourth Proportional to 181,680.65, 250,731.08 and 101,107.93

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Solution

The fourth proportional to 181,680.65, 250,731.08 and 101,107.93 is: 139,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,680.65 : 250,731.08 = 101,107.93 : x
  2. Step 2: Convert to fraction form
    181,680.65/250,731.08 = 101,107.93/x
  3. Step 3: Cross multiply
    181,680.65x = 250,731.08 × 101,107.93
  4. Step 4: Simplify right side
    181,680.65x = 25,350,898,726.27
  5. Step 5: Solve for x
    x = 25,350,898,726.27/181,680.65
  6. Step 6: Final answer
    x = 139,535.49

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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.