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Finding the Fourth Proportional to 73,433.80, 110,150.70 and 58,400.20

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Solution

The fourth proportional to 73,433.80, 110,150.70 and 58,400.20 is: 87,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,433.80 : 110,150.70 = 58,400.20 : x
  2. Step 2: Convert to fraction form
    73,433.80/110,150.70 = 58,400.20/x
  3. Step 3: Cross multiply
    73,433.80x = 110,150.70 × 58,400.20
  4. Step 4: Simplify right side
    73,433.80x = 6,432,822,910.14
  5. Step 5: Solve for x
    x = 6,432,822,910.14/73,433.80
  6. Step 6: Final answer
    x = 87,600.30

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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.