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Finding the Fourth Proportional to 159,755.60, 220,463.46 and 88,135.60

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Solution

The fourth proportional to 159,755.60, 220,463.46 and 88,135.60 is: 121,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,755.60 : 220,463.46 = 88,135.60 : x
  2. Step 2: Convert to fraction form
    159,755.60/220,463.46 = 88,135.60/x
  3. Step 3: Cross multiply
    159,755.60x = 220,463.46 × 88,135.60
  4. Step 4: Simplify right side
    159,755.60x = 19,430,679,325.18
  5. Step 5: Solve for x
    x = 19,430,679,325.18/159,755.60
  6. Step 6: Final answer
    x = 121,627.53

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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.