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Finding the Fourth Proportional to 88,368.80, 121,948.89 and 48,082.52

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Solution

The fourth proportional to 88,368.80, 121,948.89 and 48,082.52 is: 66,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,368.80 : 121,948.89 = 48,082.52 : x
  2. Step 2: Convert to fraction form
    88,368.80/121,948.89 = 48,082.52/x
  3. Step 3: Cross multiply
    88,368.80x = 121,948.89 × 48,082.52
  4. Step 4: Simplify right side
    88,368.80x = 5,863,609,942.40
  5. Step 5: Solve for x
    x = 5,863,609,942.40/88,368.80
  6. Step 6: Final answer
    x = 66,353.85

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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.