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Finding the Fourth Proportional to 247,282.84, 370,948.66 and 69,791.38

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Solution

The fourth proportional to 247,282.84, 370,948.66 and 69,791.38 is: 104,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,282.84 : 370,948.66 = 69,791.38 : x
  2. Step 2: Convert to fraction form
    247,282.84/370,948.66 = 69,791.38/x
  3. Step 3: Cross multiply
    247,282.84x = 370,948.66 × 69,791.38
  4. Step 4: Simplify right side
    247,282.84x = 25,889,018,890.55
  5. Step 5: Solve for x
    x = 25,889,018,890.55/247,282.84
  6. Step 6: Final answer
    x = 104,693.96

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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.