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Finding the Fourth Proportional to 181,854.59, 250,967.09 and 101,282.12

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Solution

The fourth proportional to 181,854.59, 250,967.09 and 101,282.12 is: 139,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,854.59 : 250,967.09 = 101,282.12 : x
  2. Step 2: Convert to fraction form
    181,854.59/250,967.09 = 101,282.12/x
  3. Step 3: Cross multiply
    181,854.59x = 250,967.09 × 101,282.12
  4. Step 4: Simplify right side
    181,854.59x = 25,418,477,923.80
  5. Step 5: Solve for x
    x = 25,418,477,923.80/181,854.59
  6. Step 6: Final answer
    x = 139,773.64

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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.