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Finding the Fourth Proportional to 187,995.92, 259,479.60 and 127,667.12

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Solution

The fourth proportional to 187,995.92, 259,479.60 and 127,667.12 is: 176,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,995.92 : 259,479.60 = 127,667.12 : x
  2. Step 2: Convert to fraction form
    187,995.92/259,479.60 = 127,667.12/x
  3. Step 3: Cross multiply
    187,995.92x = 259,479.60 × 127,667.12
  4. Step 4: Simplify right side
    187,995.92x = 33,127,013,230.75
  5. Step 5: Solve for x
    x = 33,127,013,230.75/187,995.92
  6. Step 6: Final answer
    x = 176,211.34

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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.