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Finding the Fourth Proportional to 154,597.80, 231,723.90 and 88,069.80

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Solution

The fourth proportional to 154,597.80, 231,723.90 and 88,069.80 is: 132,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,597.80 : 231,723.90 = 88,069.80 : x
  2. Step 2: Convert to fraction form
    154,597.80/231,723.90 = 88,069.80/x
  3. Step 3: Cross multiply
    154,597.80x = 231,723.90 × 88,069.80
  4. Step 4: Simplify right side
    154,597.80x = 20,407,877,528.22
  5. Step 5: Solve for x
    x = 20,407,877,528.22/154,597.80
  6. Step 6: Final answer
    x = 132,006.26

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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.