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Finding the Fourth Proportional to 169,398.90, 253,759.58 and 101,893.65

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Solution

The fourth proportional to 169,398.90, 253,759.58 and 101,893.65 is: 152,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,398.90 : 253,759.58 = 101,893.65 : x
  2. Step 2: Convert to fraction form
    169,398.90/253,759.58 = 101,893.65/x
  3. Step 3: Cross multiply
    169,398.90x = 253,759.58 × 101,893.65
  4. Step 4: Simplify right side
    169,398.90x = 25,856,489,828.67
  5. Step 5: Solve for x
    x = 25,856,489,828.67/169,398.90
  6. Step 6: Final answer
    x = 152,636.70

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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.