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Finding the Fourth Proportional to 73,951.70, 110,927.55 and 54,122.90

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Solution

The fourth proportional to 73,951.70, 110,927.55 and 54,122.90 is: 81,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,951.70 : 110,927.55 = 54,122.90 : x
  2. Step 2: Convert to fraction form
    73,951.70/110,927.55 = 54,122.90/x
  3. Step 3: Cross multiply
    73,951.70x = 110,927.55 × 54,122.90
  4. Step 4: Simplify right side
    73,951.70x = 6,003,720,695.90
  5. Step 5: Solve for x
    x = 6,003,720,695.90/73,951.70
  6. Step 6: Final answer
    x = 81,184.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.