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Finding the Fourth Proportional to 215,550.56, 297,498.84 and 124,964.48

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Solution

The fourth proportional to 215,550.56, 297,498.84 and 124,964.48 is: 172,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,550.56 : 297,498.84 = 124,964.48 : x
  2. Step 2: Convert to fraction form
    215,550.56/297,498.84 = 124,964.48/x
  3. Step 3: Cross multiply
    215,550.56x = 297,498.84 × 124,964.48
  4. Step 4: Simplify right side
    215,550.56x = 37,176,787,841.20
  5. Step 5: Solve for x
    x = 37,176,787,841.20/215,550.56
  6. Step 6: Final answer
    x = 172,473.63

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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.