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Finding the Fourth Proportional to 181,726, 250,776.29 and 101,151.45

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Solution

The fourth proportional to 181,726, 250,776.29 and 101,151.45 is: 139,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,726 : 250,776.29 = 101,151.45 : x
  2. Step 2: Convert to fraction form
    181,726/250,776.29 = 101,151.45/x
  3. Step 3: Cross multiply
    181,726x = 250,776.29 × 101,151.45
  4. Step 4: Simplify right side
    181,726x = 25,366,385,359.12
  5. Step 5: Solve for x
    x = 25,366,385,359.12/181,726
  6. Step 6: Final answer
    x = 139,585.89

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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.