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Finding the Fourth Proportional to 225,587.69, 311,311.01 and 134,947.47

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Solution

The fourth proportional to 225,587.69, 311,311.01 and 134,947.47 is: 186,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,587.69 : 311,311.01 = 134,947.47 : x
  2. Step 2: Convert to fraction form
    225,587.69/311,311.01 = 134,947.47/x
  3. Step 3: Cross multiply
    225,587.69x = 311,311.01 × 134,947.47
  4. Step 4: Simplify right side
    225,587.69x = 42,010,633,182.64
  5. Step 5: Solve for x
    x = 42,010,633,182.64/225,587.69
  6. Step 6: Final answer
    x = 186,227.51

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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.