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Finding the Fourth Proportional to 160,045.44, 220,871.56 and 88,423.92

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Solution

The fourth proportional to 160,045.44, 220,871.56 and 88,423.92 is: 122,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,045.44 : 220,871.56 = 88,423.92 : x
  2. Step 2: Convert to fraction form
    160,045.44/220,871.56 = 88,423.92/x
  3. Step 3: Cross multiply
    160,045.44x = 220,871.56 × 88,423.92
  4. Step 4: Simplify right side
    160,045.44x = 19,530,329,096.45
  5. Step 5: Solve for x
    x = 19,530,329,096.45/160,045.44
  6. Step 6: Final answer
    x = 122,029.90

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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.