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Finding the Fourth Proportional to 159,620.68, 220,278.08 and 88,003.32

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Solution

The fourth proportional to 159,620.68, 220,278.08 and 88,003.32 is: 121,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,620.68 : 220,278.08 = 88,003.32 : x
  2. Step 2: Convert to fraction form
    159,620.68/220,278.08 = 88,003.32/x
  3. Step 3: Cross multiply
    159,620.68x = 220,278.08 × 88,003.32
  4. Step 4: Simplify right side
    159,620.68x = 19,385,202,363.23
  5. Step 5: Solve for x
    x = 19,385,202,363.23/159,620.68
  6. Step 6: Final answer
    x = 121,445.43

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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.