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Finding the Fourth Proportional to 225,437.82, 311,100.39 and 124,833.66

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Solution

The fourth proportional to 225,437.82, 311,100.39 and 124,833.66 is: 172,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,437.82 : 311,100.39 = 124,833.66 : x
  2. Step 2: Convert to fraction form
    225,437.82/311,100.39 = 124,833.66/x
  3. Step 3: Cross multiply
    225,437.82x = 311,100.39 × 124,833.66
  4. Step 4: Simplify right side
    225,437.82x = 38,835,800,311.13
  5. Step 5: Solve for x
    x = 38,835,800,311.13/225,437.82
  6. Step 6: Final answer
    x = 172,268.35

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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.