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Finding the Fourth Proportional to 181,681.65, 250,732.46 and 101,108.93

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Solution

The fourth proportional to 181,681.65, 250,732.46 and 101,108.93 is: 139,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,681.65 : 250,732.46 = 101,108.93 : x
  2. Step 2: Convert to fraction form
    181,681.65/250,732.46 = 101,108.93/x
  3. Step 3: Cross multiply
    181,681.65x = 250,732.46 × 101,108.93
  4. Step 4: Simplify right side
    181,681.65x = 25,351,290,746.87
  5. Step 5: Solve for x
    x = 25,351,290,746.87/181,681.65
  6. Step 6: Final answer
    x = 139,536.88

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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.