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Finding the Fourth Proportional to 187,960.48, 259,380.84 and 101,914.72

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Solution

The fourth proportional to 187,960.48, 259,380.84 and 101,914.72 is: 140,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,960.48 : 259,380.84 = 101,914.72 : x
  2. Step 2: Convert to fraction form
    187,960.48/259,380.84 = 101,914.72/x
  3. Step 3: Cross multiply
    187,960.48x = 259,380.84 × 101,914.72
  4. Step 4: Simplify right side
    187,960.48x = 26,434,725,681.96
  5. Step 5: Solve for x
    x = 26,434,725,681.96/187,960.48
  6. Step 6: Final answer
    x = 140,639.81

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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.