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Finding the Fourth Proportional to 159,622.32, 220,280.28 and 88,004.88

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Solution

The fourth proportional to 159,622.32, 220,280.28 and 88,004.88 is: 121,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,622.32 : 220,280.28 = 88,004.88 : x
  2. Step 2: Convert to fraction form
    159,622.32/220,280.28 = 88,004.88/x
  3. Step 3: Cross multiply
    159,622.32x = 220,280.28 × 88,004.88
  4. Step 4: Simplify right side
    159,622.32x = 19,385,739,607.77
  5. Step 5: Solve for x
    x = 19,385,739,607.77/159,622.32
  6. Step 6: Final answer
    x = 121,447.55

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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.