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Finding the Fourth Proportional to 68,099.20, 102,148.80 and 49,264

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Solution

The fourth proportional to 68,099.20, 102,148.80 and 49,264 is: 73,896

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,099.20 : 102,148.80 = 49,264 : x
  2. Step 2: Convert to fraction form
    68,099.20/102,148.80 = 49,264/x
  3. Step 3: Cross multiply
    68,099.20x = 102,148.80 × 49,264
  4. Step 4: Simplify right side
    68,099.20x = 5,032,258,483.20
  5. Step 5: Solve for x
    x = 5,032,258,483.20/68,099.20
  6. Step 6: Final answer
    x = 73,896

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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.