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Finding the Fourth Proportional to 110,500.80, 152,493.12 and 60,200.64

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Solution

The fourth proportional to 110,500.80, 152,493.12 and 60,200.64 is: 83,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,500.80 : 152,493.12 = 60,200.64 : x
  2. Step 2: Convert to fraction form
    110,500.80/152,493.12 = 60,200.64/x
  3. Step 3: Cross multiply
    110,500.80x = 152,493.12 × 60,200.64
  4. Step 4: Simplify right side
    110,500.80x = 9,180,183,419.60
  5. Step 5: Solve for x
    x = 9,180,183,419.60/110,500.80
  6. Step 6: Final answer
    x = 83,077.98

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1.5x scale

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.