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Finding the Fourth Proportional to 230,979.80, 346,502.49 and 71,068.97

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Solution

The fourth proportional to 230,979.80, 346,502.49 and 71,068.97 is: 106,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,979.80 : 346,502.49 = 71,068.97 : x
  2. Step 2: Convert to fraction form
    230,979.80/346,502.49 = 71,068.97/x
  3. Step 3: Cross multiply
    230,979.80x = 346,502.49 × 71,068.97
  4. Step 4: Simplify right side
    230,979.80x = 24,625,573,334.22
  5. Step 5: Solve for x
    x = 24,625,573,334.22/230,979.80
  6. Step 6: Final answer
    x = 106,613.54

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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.