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Finding the Fourth Proportional to 269,758.56, 372,262.14 and 148,899.72

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Solution

The fourth proportional to 269,758.56, 372,262.14 and 148,899.72 is: 205,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,758.56 : 372,262.14 = 148,899.72 : x
  2. Step 2: Convert to fraction form
    269,758.56/372,262.14 = 148,899.72/x
  3. Step 3: Cross multiply
    269,758.56x = 372,262.14 × 148,899.72
  4. Step 4: Simplify right side
    269,758.56x = 55,429,728,412.60
  5. Step 5: Solve for x
    x = 55,429,728,412.60/269,758.56
  6. Step 6: Final answer
    x = 205,479.03

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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.