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Finding the Fourth Proportional to 296,108.73, 444,359.93 and 138,349.49

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Solution

The fourth proportional to 296,108.73, 444,359.93 and 138,349.49 is: 207,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,108.73 : 444,359.93 = 138,349.49 : x
  2. Step 2: Convert to fraction form
    296,108.73/444,359.93 = 138,349.49/x
  3. Step 3: Cross multiply
    296,108.73x = 444,359.93 × 138,349.49
  4. Step 4: Simplify right side
    296,108.73x = 61,476,966,778.39
  5. Step 5: Solve for x
    x = 61,476,966,778.39/296,108.73
  6. Step 6: Final answer
    x = 207,616.19

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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.