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Finding the Fourth Proportional to 136,158.60, 204,237.90 and 98,542.20

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Solution

The fourth proportional to 136,158.60, 204,237.90 and 98,542.20 is: 147,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,158.60 : 204,237.90 = 98,542.20 : x
  2. Step 2: Convert to fraction form
    136,158.60/204,237.90 = 98,542.20/x
  3. Step 3: Cross multiply
    136,158.60x = 204,237.90 × 98,542.20
  4. Step 4: Simplify right side
    136,158.60x = 20,126,051,989.38
  5. Step 5: Solve for x
    x = 20,126,051,989.38/136,158.60
  6. Step 6: Final answer
    x = 147,813.30

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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.