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Finding the Fourth Proportional to 248,687.64, 372,767.22 and 169,605.72

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Solution

The fourth proportional to 248,687.64, 372,767.22 and 169,605.72 is: 254,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,687.64 : 372,767.22 = 169,605.72 : x
  2. Step 2: Convert to fraction form
    248,687.64/372,767.22 = 169,605.72/x
  3. Step 3: Cross multiply
    248,687.64x = 372,767.22 × 169,605.72
  4. Step 4: Simplify right side
    248,687.64x = 63,223,452,740.50
  5. Step 5: Solve for x
    x = 63,223,452,740.50/248,687.64
  6. Step 6: Final answer
    x = 254,228.37

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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.