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Finding the Fourth Proportional to 104,602.74, 156,902.74 and 25,717.65

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Solution

The fourth proportional to 104,602.74, 156,902.74 and 25,717.65 is: 38,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,602.74 : 156,902.74 = 25,717.65 : x
  2. Step 2: Convert to fraction form
    104,602.74/156,902.74 = 25,717.65/x
  3. Step 3: Cross multiply
    104,602.74x = 156,902.74 × 25,717.65
  4. Step 4: Simplify right side
    104,602.74x = 4,035,169,098.68
  5. Step 5: Solve for x
    x = 4,035,169,098.68/104,602.74
  6. Step 6: Final answer
    x = 38,576.13

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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.