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Finding the Fourth Proportional to 122,610.10, 183,915.15 and 63,463.90

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Solution

The fourth proportional to 122,610.10, 183,915.15 and 63,463.90 is: 95,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,610.10 : 183,915.15 = 63,463.90 : x
  2. Step 2: Convert to fraction form
    122,610.10/183,915.15 = 63,463.90/x
  3. Step 3: Cross multiply
    122,610.10x = 183,915.15 × 63,463.90
  4. Step 4: Simplify right side
    122,610.10x = 11,671,972,688.09
  5. Step 5: Solve for x
    x = 11,671,972,688.09/122,610.10
  6. Step 6: Final answer
    x = 95,195.85

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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.