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Finding the Fourth Proportional to 294,753.58, 442,223.78 and 105,209.75

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Solution

The fourth proportional to 294,753.58, 442,223.78 and 105,209.75 is: 157,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,753.58 : 442,223.78 = 105,209.75 : x
  2. Step 2: Convert to fraction form
    294,753.58/442,223.78 = 105,209.75/x
  3. Step 3: Cross multiply
    294,753.58x = 442,223.78 × 105,209.75
  4. Step 4: Simplify right side
    294,753.58x = 46,526,253,337.86
  5. Step 5: Solve for x
    x = 46,526,253,337.86/294,753.58
  6. Step 6: Final answer
    x = 157,847.97

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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.