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Finding the Fourth Proportional to 159,870.44, 220,622.73 and 88,248.92

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Solution

The fourth proportional to 159,870.44, 220,622.73 and 88,248.92 is: 121,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,870.44 : 220,622.73 = 88,248.92 : x
  2. Step 2: Convert to fraction form
    159,870.44/220,622.73 = 88,248.92/x
  3. Step 3: Cross multiply
    159,870.44x = 220,622.73 × 88,248.92
  4. Step 4: Simplify right side
    159,870.44x = 19,469,716,546.84
  5. Step 5: Solve for x
    x = 19,469,716,546.84/159,870.44
  6. Step 6: Final answer
    x = 121,784.35

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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.