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Finding the Fourth Proportional to 225,292.92, 310,883.16 and 134,630.88

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Solution

The fourth proportional to 225,292.92, 310,883.16 and 134,630.88 is: 185,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,292.92 : 310,883.16 = 134,630.88 : x
  2. Step 2: Convert to fraction form
    225,292.92/310,883.16 = 134,630.88/x
  3. Step 3: Cross multiply
    225,292.92x = 310,883.16 × 134,630.88
  4. Step 4: Simplify right side
    225,292.92x = 41,854,473,407.98
  5. Step 5: Solve for x
    x = 41,854,473,407.98/225,292.92
  6. Step 6: Final answer
    x = 185,778.02

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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.