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Finding the Fourth Proportional to 215,888.28, 297,926.10 and 119,089.92

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Solution

The fourth proportional to 215,888.28, 297,926.10 and 119,089.92 is: 164,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,888.28 : 297,926.10 = 119,089.92 : x
  2. Step 2: Convert to fraction form
    215,888.28/297,926.10 = 119,089.92/x
  3. Step 3: Cross multiply
    215,888.28x = 297,926.10 × 119,089.92
  4. Step 4: Simplify right side
    215,888.28x = 35,479,995,414.91
  5. Step 5: Solve for x
    x = 35,479,995,414.91/215,888.28
  6. Step 6: Final answer
    x = 164,344.24

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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.