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Finding the Fourth Proportional to 160,048.14, 220,870.89 and 88,432.78

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Solution

The fourth proportional to 160,048.14, 220,870.89 and 88,432.78 is: 122,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,048.14 : 220,870.89 = 88,432.78 : x
  2. Step 2: Convert to fraction form
    160,048.14/220,870.89 = 88,432.78/x
  3. Step 3: Cross multiply
    160,048.14x = 220,870.89 × 88,432.78
  4. Step 4: Simplify right side
    160,048.14x = 19,532,226,658.23
  5. Step 5: Solve for x
    x = 19,532,226,658.23/160,048.14
  6. Step 6: Final answer
    x = 122,039.70

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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.