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Finding the Fourth Proportional to 269,924.52, 405,132.42 and 143,670.72

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Solution

The fourth proportional to 269,924.52, 405,132.42 and 143,670.72 is: 215,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,924.52 : 405,132.42 = 143,670.72 : x
  2. Step 2: Convert to fraction form
    269,924.52/405,132.42 = 143,670.72/x
  3. Step 3: Cross multiply
    269,924.52x = 405,132.42 × 143,670.72
  4. Step 4: Simplify right side
    269,924.52x = 58,205,666,476.74
  5. Step 5: Solve for x
    x = 58,205,666,476.74/269,924.52
  6. Step 6: Final answer
    x = 215,636.82

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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.