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Finding the Fourth Proportional to 230,701.80, 345,929.31 and 118,336.08

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Solution

The fourth proportional to 230,701.80, 345,929.31 and 118,336.08 is: 177,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,701.80 : 345,929.31 = 118,336.08 : x
  2. Step 2: Convert to fraction form
    230,701.80/345,929.31 = 118,336.08/x
  3. Step 3: Cross multiply
    230,701.80x = 345,929.31 × 118,336.08
  4. Step 4: Simplify right side
    230,701.80x = 40,935,918,502.50
  5. Step 5: Solve for x
    x = 40,935,918,502.50/230,701.80
  6. Step 6: Final answer
    x = 177,440.83

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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.