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Finding the Fourth Proportional to 181,722.64, 250,780.08 and 101,151.04

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Solution

The fourth proportional to 181,722.64, 250,780.08 and 101,151.04 is: 139,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,722.64 : 250,780.08 = 101,151.04 : x
  2. Step 2: Convert to fraction form
    181,722.64/250,780.08 = 101,151.04/x
  3. Step 3: Cross multiply
    181,722.64x = 250,780.08 × 101,151.04
  4. Step 4: Simplify right side
    181,722.64x = 25,366,665,903.28
  5. Step 5: Solve for x
    x = 25,366,665,903.28/181,722.64
  6. Step 6: Final answer
    x = 139,590.01

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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.