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Finding the Fourth Proportional to 73,500.60, 110,250.90 and 42,310.20

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Solution

The fourth proportional to 73,500.60, 110,250.90 and 42,310.20 is: 63,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,500.60 : 110,250.90 = 42,310.20 : x
  2. Step 2: Convert to fraction form
    73,500.60/110,250.90 = 42,310.20/x
  3. Step 3: Cross multiply
    73,500.60x = 110,250.90 × 42,310.20
  4. Step 4: Simplify right side
    73,500.60x = 4,664,737,629.18
  5. Step 5: Solve for x
    x = 4,664,737,629.18/73,500.60
  6. Step 6: Final answer
    x = 63,465.30

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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.