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Finding the Fourth Proportional to 248,356.34, 372,548.28 and 70,849.70

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Solution

The fourth proportional to 248,356.34, 372,548.28 and 70,849.70 is: 106,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,356.34 : 372,548.28 = 70,849.70 : x
  2. Step 2: Convert to fraction form
    248,356.34/372,548.28 = 70,849.70/x
  3. Step 3: Cross multiply
    248,356.34x = 372,548.28 × 70,849.70
  4. Step 4: Simplify right side
    248,356.34x = 26,394,933,873.52
  5. Step 5: Solve for x
    x = 26,394,933,873.52/248,356.34
  6. Step 6: Final answer
    x = 106,278.48

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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.