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Finding the Fourth Proportional to 88,860.87, 122,627.72 and 48,574.64

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Solution

The fourth proportional to 88,860.87, 122,627.72 and 48,574.64 is: 67,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,860.87 : 122,627.72 = 48,574.64 : x
  2. Step 2: Convert to fraction form
    88,860.87/122,627.72 = 48,574.64/x
  3. Step 3: Cross multiply
    88,860.87x = 122,627.72 × 48,574.64
  4. Step 4: Simplify right side
    88,860.87x = 5,956,597,781.03
  5. Step 5: Solve for x
    x = 5,956,597,781.03/88,860.87
  6. Step 6: Final answer
    x = 67,032.85

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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.