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Finding the Fourth Proportional to 73,227.57, 109,715.97 and 39,970.98

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Solution

The fourth proportional to 73,227.57, 109,715.97 and 39,970.98 is: 59,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,227.57 : 109,715.97 = 39,970.98 : x
  2. Step 2: Convert to fraction form
    73,227.57/109,715.97 = 39,970.98/x
  3. Step 3: Cross multiply
    73,227.57x = 109,715.97 × 39,970.98
  4. Step 4: Simplify right side
    73,227.57x = 4,385,454,842.55
  5. Step 5: Solve for x
    x = 4,385,454,842.55/73,227.57
  6. Step 6: Final answer
    x = 59,888.03

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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.