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Finding the Fourth Proportional to 73,174.88, 100,986 and 44,876.72

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Solution

The fourth proportional to 73,174.88, 100,986 and 44,876.72 is: 61,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,174.88 : 100,986 = 44,876.72 : x
  2. Step 2: Convert to fraction form
    73,174.88/100,986 = 44,876.72/x
  3. Step 3: Cross multiply
    73,174.88x = 100,986 × 44,876.72
  4. Step 4: Simplify right side
    73,174.88x = 4,531,920,445.92
  5. Step 5: Solve for x
    x = 4,531,920,445.92/73,174.88
  6. Step 6: Final answer
    x = 61,932.73

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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.