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Finding the Fourth Proportional to 269,752.86, 372,265.20 and 148,896

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Solution

The fourth proportional to 269,752.86, 372,265.20 and 148,896 is: 205,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,752.86 : 372,265.20 = 148,896 : x
  2. Step 2: Convert to fraction form
    269,752.86/372,265.20 = 148,896/x
  3. Step 3: Cross multiply
    269,752.86x = 372,265.20 × 148,896
  4. Step 4: Simplify right side
    269,752.86x = 55,428,799,219.20
  5. Step 5: Solve for x
    x = 55,428,799,219.20/269,752.86
  6. Step 6: Final answer
    x = 205,479.93

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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.