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Finding the Fourth Proportional to 101,153.17, 151,654.87 and 48,512.53

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Solution

The fourth proportional to 101,153.17, 151,654.87 and 48,512.53 is: 72,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,153.17 : 151,654.87 = 48,512.53 : x
  2. Step 2: Convert to fraction form
    101,153.17/151,654.87 = 48,512.53/x
  3. Step 3: Cross multiply
    101,153.17x = 151,654.87 × 48,512.53
  4. Step 4: Simplify right side
    101,153.17x = 7,357,161,430.52
  5. Step 5: Solve for x
    x = 7,357,161,430.52/101,153.17
  6. Step 6: Final answer
    x = 72,732.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.