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Finding the Fourth Proportional to 187,886.56, 259,286.80 and 101,848.36

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Solution

The fourth proportional to 187,886.56, 259,286.80 and 101,848.36 is: 140,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,886.56 : 259,286.80 = 101,848.36 : x
  2. Step 2: Convert to fraction form
    187,886.56/259,286.80 = 101,848.36/x
  3. Step 3: Cross multiply
    187,886.56x = 259,286.80 × 101,848.36
  4. Step 4: Simplify right side
    187,886.56x = 26,407,935,349.65
  5. Step 5: Solve for x
    x = 26,407,935,349.65/187,886.56
  6. Step 6: Final answer
    x = 140,552.55

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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.