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Finding the Fourth Proportional to 69,680.70, 104,985.92 and 63,024.86

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Solution

The fourth proportional to 69,680.70, 104,985.92 and 63,024.86 is: 94,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,680.70 : 104,985.92 = 63,024.86 : x
  2. Step 2: Convert to fraction form
    69,680.70/104,985.92 = 63,024.86/x
  3. Step 3: Cross multiply
    69,680.70x = 104,985.92 × 63,024.86
  4. Step 4: Simplify right side
    69,680.70x = 6,616,722,594.85
  5. Step 5: Solve for x
    x = 6,616,722,594.85/69,680.70
  6. Step 6: Final answer
    x = 94,957.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.