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Finding the Fourth Proportional to 248,327.43, 372,503.43 and 70,860.57

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Solution

The fourth proportional to 248,327.43, 372,503.43 and 70,860.57 is: 106,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,327.43 : 372,503.43 = 70,860.57 : x
  2. Step 2: Convert to fraction form
    248,327.43/372,503.43 = 70,860.57/x
  3. Step 3: Cross multiply
    248,327.43x = 372,503.43 × 70,860.57
  4. Step 4: Simplify right side
    248,327.43x = 26,395,805,376.76
  5. Step 5: Solve for x
    x = 26,395,805,376.76/248,327.43
  6. Step 6: Final answer
    x = 106,294.36

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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.