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Finding the Fourth Proportional to 72,701.88, 100,305.48 and 44,032.38

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Solution

The fourth proportional to 72,701.88, 100,305.48 and 44,032.38 is: 60,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,701.88 : 100,305.48 = 44,032.38 : x
  2. Step 2: Convert to fraction form
    72,701.88/100,305.48 = 44,032.38/x
  3. Step 3: Cross multiply
    72,701.88x = 100,305.48 × 44,032.38
  4. Step 4: Simplify right side
    72,701.88x = 4,416,689,011.44
  5. Step 5: Solve for x
    x = 4,416,689,011.44/72,701.88
  6. Step 6: Final answer
    x = 60,750.69

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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.