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Finding the Fourth Proportional to 230,104.80, 345,191.22 and 117,848.52

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Solution

The fourth proportional to 230,104.80, 345,191.22 and 117,848.52 is: 176,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,104.80 : 345,191.22 = 117,848.52 : x
  2. Step 2: Convert to fraction form
    230,104.80/345,191.22 = 117,848.52/x
  3. Step 3: Cross multiply
    230,104.80x = 345,191.22 × 117,848.52
  4. Step 4: Simplify right side
    230,104.80x = 40,680,274,393.99
  5. Step 5: Solve for x
    x = 40,680,274,393.99/230,104.80
  6. Step 6: Final answer
    x = 176,790.20

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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.