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Finding the Fourth Proportional to 88,753.48, 122,474.88 and 48,459.20

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Solution

The fourth proportional to 88,753.48, 122,474.88 and 48,459.20 is: 66,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,753.48 : 122,474.88 = 48,459.20 : x
  2. Step 2: Convert to fraction form
    88,753.48/122,474.88 = 48,459.20/x
  3. Step 3: Cross multiply
    88,753.48x = 122,474.88 × 48,459.20
  4. Step 4: Simplify right side
    88,753.48x = 5,935,034,704.90
  5. Step 5: Solve for x
    x = 5,935,034,704.90/88,753.48
  6. Step 6: Final answer
    x = 66,871.01

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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.