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Finding the Fourth Proportional to 88,863.66, 122,631.72 and 53,074.62

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Solution

The fourth proportional to 88,863.66, 122,631.72 and 53,074.62 is: 73,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,863.66 : 122,631.72 = 53,074.62 : x
  2. Step 2: Convert to fraction form
    88,863.66/122,631.72 = 53,074.62/x
  3. Step 3: Cross multiply
    88,863.66x = 122,631.72 × 53,074.62
  4. Step 4: Simplify right side
    88,863.66x = 6,508,631,938.95
  5. Step 5: Solve for x
    x = 6,508,631,938.95/88,863.66
  6. Step 6: Final answer
    x = 73,242.90

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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.