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Finding the Fourth Proportional to 69,658.95, 96,144.66 and 45,787.85

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Solution

The fourth proportional to 69,658.95, 96,144.66 and 45,787.85 is: 63,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,658.95 : 96,144.66 = 45,787.85 : x
  2. Step 2: Convert to fraction form
    69,658.95/96,144.66 = 45,787.85/x
  3. Step 3: Cross multiply
    69,658.95x = 96,144.66 × 45,787.85
  4. Step 4: Simplify right side
    69,658.95x = 4,402,256,789.66
  5. Step 5: Solve for x
    x = 4,402,256,789.66/69,658.95
  6. Step 6: Final answer
    x = 63,197.29

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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.