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Finding the Fourth Proportional to 225,534.79, 338,352.63 and 75,770.97

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Solution

The fourth proportional to 225,534.79, 338,352.63 and 75,770.97 is: 113,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,534.79 : 338,352.63 = 75,770.97 : x
  2. Step 2: Convert to fraction form
    225,534.79/338,352.63 = 75,770.97/x
  3. Step 3: Cross multiply
    225,534.79x = 338,352.63 × 75,770.97
  4. Step 4: Simplify right side
    225,534.79x = 25,637,306,695.46
  5. Step 5: Solve for x
    x = 25,637,306,695.46/225,534.79
  6. Step 6: Final answer
    x = 113,673.40

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1.5x scale

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.