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Finding the Fourth Proportional to 269,349.06, 371,699.18 and 146,841.42

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Solution

The fourth proportional to 269,349.06, 371,699.18 and 146,841.42 is: 202,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,349.06 : 371,699.18 = 146,841.42 : x
  2. Step 2: Convert to fraction form
    269,349.06/371,699.18 = 146,841.42/x
  3. Step 3: Cross multiply
    269,349.06x = 371,699.18 × 146,841.42
  4. Step 4: Simplify right side
    269,349.06x = 54,580,835,404.04
  5. Step 5: Solve for x
    x = 54,580,835,404.04/269,349.06
  6. Step 6: Final answer
    x = 202,639.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.