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Finding the Fourth Proportional to 225,313.85, 337,981.14 and 125,398.78

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Solution

The fourth proportional to 225,313.85, 337,981.14 and 125,398.78 is: 188,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,313.85 : 337,981.14 = 125,398.78 : x
  2. Step 2: Convert to fraction form
    225,313.85/337,981.14 = 125,398.78/x
  3. Step 3: Cross multiply
    225,313.85x = 337,981.14 × 125,398.78
  4. Step 4: Simplify right side
    225,313.85x = 42,382,421,774.06
  5. Step 5: Solve for x
    x = 42,382,421,774.06/225,313.85
  6. Step 6: Final answer
    x = 188,103.93

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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.