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Finding the Fourth Proportional to 269,772.71, 372,284.24 and 148,914.03

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Solution

The fourth proportional to 269,772.71, 372,284.24 and 148,914.03 is: 205,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,772.71 : 372,284.24 = 148,914.03 : x
  2. Step 2: Convert to fraction form
    269,772.71/372,284.24 = 148,914.03/x
  3. Step 3: Cross multiply
    269,772.71x = 372,284.24 × 148,914.03
  4. Step 4: Simplify right side
    269,772.71x = 55,438,345,739.32
  5. Step 5: Solve for x
    x = 55,438,345,739.32/269,772.71
  6. Step 6: Final answer
    x = 205,500.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.