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Finding the Fourth Proportional to 66,089.12, 99,232.12 and 26,723.12

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Solution

The fourth proportional to 66,089.12, 99,232.12 and 26,723.12 is: 40,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.12 : 99,232.12 = 26,723.12 : x
  2. Step 2: Convert to fraction form
    66,089.12/99,232.12 = 26,723.12/x
  3. Step 3: Cross multiply
    66,089.12x = 99,232.12 × 26,723.12
  4. Step 4: Simplify right side
    66,089.12x = 2,651,791,850.61
  5. Step 5: Solve for x
    x = 2,651,791,850.61/66,089.12
  6. Step 6: Final answer
    x = 40,124.48

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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.