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Finding the Fourth Proportional to 83,504.58, 125,125.56 and 64,575.42

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Solution

The fourth proportional to 83,504.58, 125,125.56 and 64,575.42 is: 96,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,504.58 : 125,125.56 = 64,575.42 : x
  2. Step 2: Convert to fraction form
    83,504.58/125,125.56 = 64,575.42/x
  3. Step 3: Cross multiply
    83,504.58x = 125,125.56 × 64,575.42
  4. Step 4: Simplify right side
    83,504.58x = 8,080,035,589.74
  5. Step 5: Solve for x
    x = 8,080,035,589.74/83,504.58
  6. Step 6: Final answer
    x = 96,761.59

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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.