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Finding the Fourth Proportional to 181,718.64, 250,774.56 and 101,147.04

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Solution

The fourth proportional to 181,718.64, 250,774.56 and 101,147.04 is: 139,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,718.64 : 250,774.56 = 101,147.04 : x
  2. Step 2: Convert to fraction form
    181,718.64/250,774.56 = 101,147.04/x
  3. Step 3: Cross multiply
    181,718.64x = 250,774.56 × 101,147.04
  4. Step 4: Simplify right side
    181,718.64x = 25,365,104,451.30
  5. Step 5: Solve for x
    x = 25,365,104,451.30/181,718.64
  6. Step 6: Final answer
    x = 139,584.49

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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.