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Finding the Fourth Proportional to 181,494.39, 250,468.08 and 100,925.31

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Solution

The fourth proportional to 181,494.39, 250,468.08 and 100,925.31 is: 139,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,494.39 : 250,468.08 = 100,925.31 : x
  2. Step 2: Convert to fraction form
    181,494.39/250,468.08 = 100,925.31/x
  3. Step 3: Cross multiply
    181,494.39x = 250,468.08 × 100,925.31
  4. Step 4: Simplify right side
    181,494.39x = 25,278,568,619.10
  5. Step 5: Solve for x
    x = 25,278,568,619.10/181,494.39
  6. Step 6: Final answer
    x = 139,280.17

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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.