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Finding the Fourth Proportional to 95,637, 131,979.06 and 55,893

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Solution

The fourth proportional to 95,637, 131,979.06 and 55,893 is: 77,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,637 : 131,979.06 = 55,893 : x
  2. Step 2: Convert to fraction form
    95,637/131,979.06 = 55,893/x
  3. Step 3: Cross multiply
    95,637x = 131,979.06 × 55,893
  4. Step 4: Simplify right side
    95,637x = 7,376,705,600.58
  5. Step 5: Solve for x
    x = 7,376,705,600.58/95,637
  6. Step 6: Final answer
    x = 77,132.34

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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.