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Finding the Fourth Proportional to 225,108.92, 337,581.12 and 98,661.98

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Solution

The fourth proportional to 225,108.92, 337,581.12 and 98,661.98 is: 147,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,108.92 : 337,581.12 = 98,661.98 : x
  2. Step 2: Convert to fraction form
    225,108.92/337,581.12 = 98,661.98/x
  3. Step 3: Cross multiply
    225,108.92x = 337,581.12 × 98,661.98
  4. Step 4: Simplify right side
    225,108.92x = 33,306,421,709.82
  5. Step 5: Solve for x
    x = 33,306,421,709.82/225,108.92
  6. Step 6: Final answer
    x = 147,956.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.