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Finding the Fourth Proportional to 181,874.28, 250,994.31 and 101,301.84

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Solution

The fourth proportional to 181,874.28, 250,994.31 and 101,301.84 is: 139,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,874.28 : 250,994.31 = 101,301.84 : x
  2. Step 2: Convert to fraction form
    181,874.28/250,994.31 = 101,301.84/x
  3. Step 3: Cross multiply
    181,874.28x = 250,994.31 × 101,301.84
  4. Step 4: Simplify right side
    181,874.28x = 25,426,185,432.53
  5. Step 5: Solve for x
    x = 25,426,185,432.53/181,874.28
  6. Step 6: Final answer
    x = 139,800.89

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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.