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Finding the Fourth Proportional to 78,037.44, 107,691.54 and 44,053.08

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Solution

The fourth proportional to 78,037.44, 107,691.54 and 44,053.08 is: 60,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,037.44 : 107,691.54 = 44,053.08 : x
  2. Step 2: Convert to fraction form
    78,037.44/107,691.54 = 44,053.08/x
  3. Step 3: Cross multiply
    78,037.44x = 107,691.54 × 44,053.08
  4. Step 4: Simplify right side
    78,037.44x = 4,744,144,026.94
  5. Step 5: Solve for x
    x = 4,744,144,026.94/78,037.44
  6. Step 6: Final answer
    x = 60,793.18

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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.