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Finding the Fourth Proportional to 187,881.56, 259,279.90 and 101,843.36

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Solution

The fourth proportional to 187,881.56, 259,279.90 and 101,843.36 is: 140,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,881.56 : 259,279.90 = 101,843.36 : x
  2. Step 2: Convert to fraction form
    187,881.56/259,279.90 = 101,843.36/x
  3. Step 3: Cross multiply
    187,881.56x = 259,279.90 × 101,843.36
  4. Step 4: Simplify right side
    187,881.56x = 26,405,936,590.06
  5. Step 5: Solve for x
    x = 26,405,936,590.06/187,881.56
  6. Step 6: Final answer
    x = 140,545.65

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1.5x scale

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.