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Finding the Fourth Proportional to 269,894.48, 404,842.20 and 70,214.55

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Solution

The fourth proportional to 269,894.48, 404,842.20 and 70,214.55 is: 105,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,894.48 : 404,842.20 = 70,214.55 : x
  2. Step 2: Convert to fraction form
    269,894.48/404,842.20 = 70,214.55/x
  3. Step 3: Cross multiply
    269,894.48x = 404,842.20 × 70,214.55
  4. Step 4: Simplify right side
    269,894.48x = 28,425,811,507.50
  5. Step 5: Solve for x
    x = 28,425,811,507.50/269,894.48
  6. Step 6: Final answer
    x = 105,321.94

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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.