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Finding the Fourth Proportional to 66,233.80, 99,350.70 and 58,976.20

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Solution

The fourth proportional to 66,233.80, 99,350.70 and 58,976.20 is: 88,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.80 : 99,350.70 = 58,976.20 : x
  2. Step 2: Convert to fraction form
    66,233.80/99,350.70 = 58,976.20/x
  3. Step 3: Cross multiply
    66,233.80x = 99,350.70 × 58,976.20
  4. Step 4: Simplify right side
    66,233.80x = 5,859,326,753.34
  5. Step 5: Solve for x
    x = 5,859,326,753.34/66,233.80
  6. Step 6: Final answer
    x = 88,464.30

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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.