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Finding the Fourth Proportional to 79,227.95, 109,301.15 and 48,960.77

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Solution

The fourth proportional to 79,227.95, 109,301.15 and 48,960.77 is: 67,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.95 : 109,301.15 = 48,960.77 : x
  2. Step 2: Convert to fraction form
    79,227.95/109,301.15 = 48,960.77/x
  3. Step 3: Cross multiply
    79,227.95x = 109,301.15 × 48,960.77
  4. Step 4: Simplify right side
    79,227.95x = 5,351,467,674.58
  5. Step 5: Solve for x
    x = 5,351,467,674.58/79,227.95
  6. Step 6: Final answer
    x = 67,545.20

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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.