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Finding the Fourth Proportional to 252,774.40, 379,168 and 65,794.56

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Solution

The fourth proportional to 252,774.40, 379,168 and 65,794.56 is: 98,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,774.40 : 379,168 = 65,794.56 : x
  2. Step 2: Convert to fraction form
    252,774.40/379,168 = 65,794.56/x
  3. Step 3: Cross multiply
    252,774.40x = 379,168 × 65,794.56
  4. Step 4: Simplify right side
    252,774.40x = 24,947,191,726.08
  5. Step 5: Solve for x
    x = 24,947,191,726.08/252,774.40
  6. Step 6: Final answer
    x = 98,693.51

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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.