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Finding the Fourth Proportional to 269,808.88, 372,326.48 and 148,947.56

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Solution

The fourth proportional to 269,808.88, 372,326.48 and 148,947.56 is: 205,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,808.88 : 372,326.48 = 148,947.56 : x
  2. Step 2: Convert to fraction form
    269,808.88/372,326.48 = 148,947.56/x
  3. Step 3: Cross multiply
    269,808.88x = 372,326.48 × 148,947.56
  4. Step 4: Simplify right side
    269,808.88x = 55,457,120,719.39
  5. Step 5: Solve for x
    x = 55,457,120,719.39/269,808.88
  6. Step 6: Final answer
    x = 205,542.24

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1.5x scale

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.