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Finding the Fourth Proportional to 248,373.33, 372,445.79 and 79,862.55

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Solution

The fourth proportional to 248,373.33, 372,445.79 and 79,862.55 is: 119,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,373.33 : 372,445.79 = 79,862.55 : x
  2. Step 2: Convert to fraction form
    248,373.33/372,445.79 = 79,862.55/x
  3. Step 3: Cross multiply
    248,373.33x = 372,445.79 × 79,862.55
  4. Step 4: Simplify right side
    248,373.33x = 29,744,470,126.85
  5. Step 5: Solve for x
    x = 29,744,470,126.85/248,373.33
  6. Step 6: Final answer
    x = 119,757.10

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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.