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Finding the Fourth Proportional to 73,098.97, 100,875.78 and 41,269.21

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Solution

The fourth proportional to 73,098.97, 100,875.78 and 41,269.21 is: 56,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,098.97 : 100,875.78 = 41,269.21 : x
  2. Step 2: Convert to fraction form
    73,098.97/100,875.78 = 41,269.21/x
  3. Step 3: Cross multiply
    73,098.97x = 100,875.78 × 41,269.21
  4. Step 4: Simplify right side
    73,098.97x = 4,163,063,496.54
  5. Step 5: Solve for x
    x = 4,163,063,496.54/73,098.97
  6. Step 6: Final answer
    x = 56,951.06

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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.