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Finding the Fourth Proportional to 159,796.98, 220,521.09 and 88,179.57

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Solution

The fourth proportional to 159,796.98, 220,521.09 and 88,179.57 is: 121,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,796.98 : 220,521.09 = 88,179.57 : x
  2. Step 2: Convert to fraction form
    159,796.98/220,521.09 = 88,179.57/x
  3. Step 3: Cross multiply
    159,796.98x = 220,521.09 × 88,179.57
  4. Step 4: Simplify right side
    159,796.98x = 19,445,454,892.13
  5. Step 5: Solve for x
    x = 19,445,454,892.13/159,796.98
  6. Step 6: Final answer
    x = 121,688.50

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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.