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Finding the Fourth Proportional to 160,140.08, 220,983.68 and 88,515.82

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Solution

The fourth proportional to 160,140.08, 220,983.68 and 88,515.82 is: 122,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,140.08 : 220,983.68 = 88,515.82 : x
  2. Step 2: Convert to fraction form
    160,140.08/220,983.68 = 88,515.82/x
  3. Step 3: Cross multiply
    160,140.08x = 220,983.68 × 88,515.82
  4. Step 4: Simplify right side
    160,140.08x = 19,560,551,641.82
  5. Step 5: Solve for x
    x = 19,560,551,641.82/160,140.08
  6. Step 6: Final answer
    x = 122,146.51

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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.