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Finding the Fourth Proportional to 269,806.17, 372,330.43 and 148,947.62

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Solution

The fourth proportional to 269,806.17, 372,330.43 and 148,947.62 is: 205,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,806.17 : 372,330.43 = 148,947.62 : x
  2. Step 2: Convert to fraction form
    269,806.17/372,330.43 = 148,947.62/x
  3. Step 3: Cross multiply
    269,806.17x = 372,330.43 × 148,947.62
  4. Step 4: Simplify right side
    269,806.17x = 55,457,731,402.08
  5. Step 5: Solve for x
    x = 55,457,731,402.08/269,806.17
  6. Step 6: Final answer
    x = 205,546.56

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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.