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Finding the Fourth Proportional to 88,871.85, 122,643.14 and 48,585.60

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Solution

The fourth proportional to 88,871.85, 122,643.14 and 48,585.60 is: 67,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,871.85 : 122,643.14 = 48,585.60 : x
  2. Step 2: Convert to fraction form
    88,871.85/122,643.14 = 48,585.60/x
  3. Step 3: Cross multiply
    88,871.85x = 122,643.14 × 48,585.60
  4. Step 4: Simplify right side
    88,871.85x = 5,958,690,299.86
  5. Step 5: Solve for x
    x = 5,958,690,299.86/88,871.85
  6. Step 6: Final answer
    x = 67,048.12

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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.