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Finding the Fourth Proportional to 159,875.97, 220,628.88 and 88,256.04

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Solution

The fourth proportional to 159,875.97, 220,628.88 and 88,256.04 is: 121,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,875.97 : 220,628.88 = 88,256.04 : x
  2. Step 2: Convert to fraction form
    159,875.97/220,628.88 = 88,256.04/x
  3. Step 3: Cross multiply
    159,875.97x = 220,628.88 × 88,256.04
  4. Step 4: Simplify right side
    159,875.97x = 19,471,831,258.44
  5. Step 5: Solve for x
    x = 19,471,831,258.44/159,875.97
  6. Step 6: Final answer
    x = 121,793.36

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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.