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Finding the Fourth Proportional to 181,898.61, 250,986.76 and 101,324.13

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Solution

The fourth proportional to 181,898.61, 250,986.76 and 101,324.13 is: 139,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,898.61 : 250,986.76 = 101,324.13 : x
  2. Step 2: Convert to fraction form
    181,898.61/250,986.76 = 101,324.13/x
  3. Step 3: Cross multiply
    181,898.61x = 250,986.76 × 101,324.13
  4. Step 4: Simplify right side
    181,898.61x = 25,431,015,098.52
  5. Step 5: Solve for x
    x = 25,431,015,098.52/181,898.61
  6. Step 6: Final answer
    x = 139,808.74

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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.