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Finding the Fourth Proportional to 83,967.45, 125,951.18 and 73,032.45

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Solution

The fourth proportional to 83,967.45, 125,951.18 and 73,032.45 is: 109,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,967.45 : 125,951.18 = 73,032.45 : x
  2. Step 2: Convert to fraction form
    83,967.45/125,951.18 = 73,032.45/x
  3. Step 3: Cross multiply
    83,967.45x = 125,951.18 × 73,032.45
  4. Step 4: Simplify right side
    83,967.45x = 9,198,522,890.63
  5. Step 5: Solve for x
    x = 9,198,522,890.63/83,967.45
  6. Step 6: Final answer
    x = 109,548.68

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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.