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Finding the Fourth Proportional to 231,906, 347,854.04 and 63,426.32

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Solution

The fourth proportional to 231,906, 347,854.04 and 63,426.32 is: 95,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,906 : 347,854.04 = 63,426.32 : x
  2. Step 2: Convert to fraction form
    231,906/347,854.04 = 63,426.32/x
  3. Step 3: Cross multiply
    231,906x = 347,854.04 × 63,426.32
  4. Step 4: Simplify right side
    231,906x = 22,063,101,654.33
  5. Step 5: Solve for x
    x = 22,063,101,654.33/231,906
  6. Step 6: Final answer
    x = 95,138.12

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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.