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Finding the Fourth Proportional to 66,433.91, 99,227.50 and 60,099.08

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Solution

The fourth proportional to 66,433.91, 99,227.50 and 60,099.08 is: 89,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.91 : 99,227.50 = 60,099.08 : x
  2. Step 2: Convert to fraction form
    66,433.91/99,227.50 = 60,099.08/x
  3. Step 3: Cross multiply
    66,433.91x = 99,227.50 × 60,099.08
  4. Step 4: Simplify right side
    66,433.91x = 5,963,481,460.70
  5. Step 5: Solve for x
    x = 5,963,481,460.70/66,433.91
  6. Step 6: Final answer
    x = 89,765.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.