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Finding the Fourth Proportional to 69,277.70, 103,657.06 and 49,333.29

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Solution

The fourth proportional to 69,277.70, 103,657.06 and 49,333.29 is: 73,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,277.70 : 103,657.06 = 49,333.29 : x
  2. Step 2: Convert to fraction form
    69,277.70/103,657.06 = 49,333.29/x
  3. Step 3: Cross multiply
    69,277.70x = 103,657.06 × 49,333.29
  4. Step 4: Simplify right side
    69,277.70x = 5,113,743,801.53
  5. Step 5: Solve for x
    x = 5,113,743,801.53/69,277.70
  6. Step 6: Final answer
    x = 73,815.15

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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.