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Finding the Fourth Proportional to 69,214.56, 95,416.56 and 49,308

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Solution

The fourth proportional to 69,214.56, 95,416.56 and 49,308 is: 67,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,214.56 : 95,416.56 = 49,308 : x
  2. Step 2: Convert to fraction form
    69,214.56/95,416.56 = 49,308/x
  3. Step 3: Cross multiply
    69,214.56x = 95,416.56 × 49,308
  4. Step 4: Simplify right side
    69,214.56x = 4,704,799,740.48
  5. Step 5: Solve for x
    x = 4,704,799,740.48/69,214.56
  6. Step 6: Final answer
    x = 67,974.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.