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Finding the Fourth Proportional to 225,191.05, 310,761.33 and 124,589.77

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Solution

The fourth proportional to 225,191.05, 310,761.33 and 124,589.77 is: 171,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,191.05 : 310,761.33 = 124,589.77 : x
  2. Step 2: Convert to fraction form
    225,191.05/310,761.33 = 124,589.77/x
  3. Step 3: Cross multiply
    225,191.05x = 310,761.33 × 124,589.77
  4. Step 4: Simplify right side
    225,191.05x = 38,717,682,629.59
  5. Step 5: Solve for x
    x = 38,717,682,629.59/225,191.05
  6. Step 6: Final answer
    x = 171,932.60

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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.