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Finding the Fourth Proportional to 160,013.52, 220,826.88 and 88,392.96

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Solution

The fourth proportional to 160,013.52, 220,826.88 and 88,392.96 is: 121,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,013.52 : 220,826.88 = 88,392.96 : x
  2. Step 2: Convert to fraction form
    160,013.52/220,826.88 = 88,392.96/x
  3. Step 3: Cross multiply
    160,013.52x = 220,826.88 × 88,392.96
  4. Step 4: Simplify right side
    160,013.52x = 19,519,541,570.76
  5. Step 5: Solve for x
    x = 19,519,541,570.76/160,013.52
  6. Step 6: Final answer
    x = 121,986.83

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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.