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Finding the Fourth Proportional to 176,147.52, 243,024.32 and 100,642.56

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Solution

The fourth proportional to 176,147.52, 243,024.32 and 100,642.56 is: 138,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,147.52 : 243,024.32 = 100,642.56 : x
  2. Step 2: Convert to fraction form
    176,147.52/243,024.32 = 100,642.56/x
  3. Step 3: Cross multiply
    176,147.52x = 243,024.32 × 100,642.56
  4. Step 4: Simplify right side
    176,147.52x = 24,458,589,707.06
  5. Step 5: Solve for x
    x = 24,458,589,707.06/176,147.52
  6. Step 6: Final answer
    x = 138,852.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.