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Finding the Fourth Proportional to 66,523.70, 99,785.55 and 62,117.30

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Solution

The fourth proportional to 66,523.70, 99,785.55 and 62,117.30 is: 93,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,523.70 : 99,785.55 = 62,117.30 : x
  2. Step 2: Convert to fraction form
    66,523.70/99,785.55 = 62,117.30/x
  3. Step 3: Cross multiply
    66,523.70x = 99,785.55 × 62,117.30
  4. Step 4: Simplify right side
    66,523.70x = 6,198,408,945.02
  5. Step 5: Solve for x
    x = 6,198,408,945.02/66,523.70
  6. Step 6: Final answer
    x = 93,175.95

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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.