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Finding the Fourth Proportional to 71,199.97, 106,799.94 and 26,836.66

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Solution

The fourth proportional to 71,199.97, 106,799.94 and 26,836.66 is: 40,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,199.97 : 106,799.94 = 26,836.66 : x
  2. Step 2: Convert to fraction form
    71,199.97/106,799.94 = 26,836.66/x
  3. Step 3: Cross multiply
    71,199.97x = 106,799.94 × 26,836.66
  4. Step 4: Simplify right side
    71,199.97x = 2,866,153,677.80
  5. Step 5: Solve for x
    x = 2,866,153,677.80/71,199.97
  6. Step 6: Final answer
    x = 40,254.98

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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.