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Finding the Fourth Proportional to 68,735.76, 103,038.99 and 37,098.41

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Solution

The fourth proportional to 68,735.76, 103,038.99 and 37,098.41 is: 55,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,735.76 : 103,038.99 = 37,098.41 : x
  2. Step 2: Convert to fraction form
    68,735.76/103,038.99 = 37,098.41/x
  3. Step 3: Cross multiply
    68,735.76x = 103,038.99 × 37,098.41
  4. Step 4: Simplify right side
    68,735.76x = 3,822,582,042.69
  5. Step 5: Solve for x
    x = 3,822,582,042.69/68,735.76
  6. Step 6: Final answer
    x = 55,612.72

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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.