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Finding the Fourth Proportional to 66,200.10, 99,300.15 and 26,736.90

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Solution

The fourth proportional to 66,200.10, 99,300.15 and 26,736.90 is: 40,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200.10 : 99,300.15 = 26,736.90 : x
  2. Step 2: Convert to fraction form
    66,200.10/99,300.15 = 26,736.90/x
  3. Step 3: Cross multiply
    66,200.10x = 99,300.15 × 26,736.90
  4. Step 4: Simplify right side
    66,200.10x = 2,654,978,180.54
  5. Step 5: Solve for x
    x = 2,654,978,180.54/66,200.10
  6. Step 6: Final answer
    x = 40,105.35

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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.