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Finding the Fourth Proportional to 160,079.56, 220,903.84 and 88,458.12

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Solution

The fourth proportional to 160,079.56, 220,903.84 and 88,458.12 is: 122,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,079.56 : 220,903.84 = 88,458.12 : x
  2. Step 2: Convert to fraction form
    160,079.56/220,903.84 = 88,458.12/x
  3. Step 3: Cross multiply
    160,079.56x = 220,903.84 × 88,458.12
  4. Step 4: Simplify right side
    160,079.56x = 19,540,738,387.18
  5. Step 5: Solve for x
    x = 19,540,738,387.18/160,079.56
  6. Step 6: Final answer
    x = 122,068.92

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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.