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Finding the Fourth Proportional to 88,753.40, 122,475.12 and 48,459.39

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Solution

The fourth proportional to 88,753.40, 122,475.12 and 48,459.39 is: 66,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,753.40 : 122,475.12 = 48,459.39 : x
  2. Step 2: Convert to fraction form
    88,753.40/122,475.12 = 48,459.39/x
  3. Step 3: Cross multiply
    88,753.40x = 122,475.12 × 48,459.39
  4. Step 4: Simplify right side
    88,753.40x = 5,935,069,605.38
  5. Step 5: Solve for x
    x = 5,935,069,605.38/88,753.40
  6. Step 6: Final answer
    x = 66,871.47

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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.