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Finding the Fourth Proportional to 159,773.76, 220,488.48 and 92,704.32

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Solution

The fourth proportional to 159,773.76, 220,488.48 and 92,704.32 is: 127,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,773.76 : 220,488.48 = 92,704.32 : x
  2. Step 2: Convert to fraction form
    159,773.76/220,488.48 = 92,704.32/x
  3. Step 3: Cross multiply
    159,773.76x = 220,488.48 × 92,704.32
  4. Step 4: Simplify right side
    159,773.76x = 20,440,234,606.23
  5. Step 5: Solve for x
    x = 20,440,234,606.23/159,773.76
  6. Step 6: Final answer
    x = 127,932.36

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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.