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Finding the Fourth Proportional to 88,311.60, 132,532.20 and 58,719.60

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Solution

The fourth proportional to 88,311.60, 132,532.20 and 58,719.60 is: 88,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.60 : 132,532.20 = 58,719.60 : x
  2. Step 2: Convert to fraction form
    88,311.60/132,532.20 = 58,719.60/x
  3. Step 3: Cross multiply
    88,311.60x = 132,532.20 × 58,719.60
  4. Step 4: Simplify right side
    88,311.60x = 7,782,237,771.12
  5. Step 5: Solve for x
    x = 7,782,237,771.12/88,311.60
  6. Step 6: Final answer
    x = 88,122.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.