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Finding the Fourth Proportional to 215,535.99, 297,439.49 and 124,944.42

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Solution

The fourth proportional to 215,535.99, 297,439.49 and 124,944.42 is: 172,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535.99 : 297,439.49 = 124,944.42 : x
  2. Step 2: Convert to fraction form
    215,535.99/297,439.49 = 124,944.42/x
  3. Step 3: Cross multiply
    215,535.99x = 297,439.49 × 124,944.42
  4. Step 4: Simplify right side
    215,535.99x = 37,163,405,990.90
  5. Step 5: Solve for x
    x = 37,163,405,990.90/215,535.99
  6. Step 6: Final answer
    x = 172,423.21

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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.