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Finding the Fourth Proportional to 69,894.90, 104,637.32 and 62,680.53

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Solution

The fourth proportional to 69,894.90, 104,637.32 and 62,680.53 is: 93,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.90 : 104,637.32 = 62,680.53 : x
  2. Step 2: Convert to fraction form
    69,894.90/104,637.32 = 62,680.53/x
  3. Step 3: Cross multiply
    69,894.90x = 104,637.32 × 62,680.53
  4. Step 4: Simplify right side
    69,894.90x = 6,558,722,989.42
  5. Step 5: Solve for x
    x = 6,558,722,989.42/69,894.90
  6. Step 6: Final answer
    x = 93,836.93

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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.