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Finding the Fourth Proportional to 147,092.40, 220,201.20 and 87,897.60

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Solution

The fourth proportional to 147,092.40, 220,201.20 and 87,897.60 is: 131,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,092.40 : 220,201.20 = 87,897.60 : x
  2. Step 2: Convert to fraction form
    147,092.40/220,201.20 = 87,897.60/x
  3. Step 3: Cross multiply
    147,092.40x = 220,201.20 × 87,897.60
  4. Step 4: Simplify right side
    147,092.40x = 19,355,156,997.12
  5. Step 5: Solve for x
    x = 19,355,156,997.12/147,092.40
  6. Step 6: Final answer
    x = 131,585.02

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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.