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Finding the Fourth Proportional to 248,722.80, 372,947.40 and 169,926

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Solution

The fourth proportional to 248,722.80, 372,947.40 and 169,926 is: 254,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,722.80 : 372,947.40 = 169,926 : x
  2. Step 2: Convert to fraction form
    248,722.80/372,947.40 = 169,926/x
  3. Step 3: Cross multiply
    248,722.80x = 372,947.40 × 169,926
  4. Step 4: Simplify right side
    248,722.80x = 63,373,459,892.40
  5. Step 5: Solve for x
    x = 63,373,459,892.40/248,722.80
  6. Step 6: Final answer
    x = 254,795.54

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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.