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Finding the Fourth Proportional to 68,948.04, 95,065.50 and 49,797.21

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Solution

The fourth proportional to 68,948.04, 95,065.50 and 49,797.21 is: 68,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,948.04 : 95,065.50 = 49,797.21 : x
  2. Step 2: Convert to fraction form
    68,948.04/95,065.50 = 49,797.21/x
  3. Step 3: Cross multiply
    68,948.04x = 95,065.50 × 49,797.21
  4. Step 4: Simplify right side
    68,948.04x = 4,733,996,128.27
  5. Step 5: Solve for x
    x = 4,733,996,128.27/68,948.04
  6. Step 6: Final answer
    x = 68,660.35

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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.