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Finding the Fourth Proportional to 66,722.46, 100,198.20 and 59,242.92

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Solution

The fourth proportional to 66,722.46, 100,198.20 and 59,242.92 is: 88,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,722.46 : 100,198.20 = 59,242.92 : x
  2. Step 2: Convert to fraction form
    66,722.46/100,198.20 = 59,242.92/x
  3. Step 3: Cross multiply
    66,722.46x = 100,198.20 × 59,242.92
  4. Step 4: Simplify right side
    66,722.46x = 5,936,033,946.74
  5. Step 5: Solve for x
    x = 5,936,033,946.74/66,722.46
  6. Step 6: Final answer
    x = 88,966.05

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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.