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Finding the Fourth Proportional to 66,204.60, 99,306.90 and 61,344.60

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Solution

The fourth proportional to 66,204.60, 99,306.90 and 61,344.60 is: 92,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204.60 : 99,306.90 = 61,344.60 : x
  2. Step 2: Convert to fraction form
    66,204.60/99,306.90 = 61,344.60/x
  3. Step 3: Cross multiply
    66,204.60x = 99,306.90 × 61,344.60
  4. Step 4: Simplify right side
    66,204.60x = 6,091,942,057.74
  5. Step 5: Solve for x
    x = 6,091,942,057.74/66,204.60
  6. Step 6: Final answer
    x = 92,016.90

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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.