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Finding the Fourth Proportional to 215,472.96, 297,357.48 and 119,988.54

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Solution

The fourth proportional to 215,472.96, 297,357.48 and 119,988.54 is: 165,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,472.96 : 297,357.48 = 119,988.54 : x
  2. Step 2: Convert to fraction form
    215,472.96/297,357.48 = 119,988.54/x
  3. Step 3: Cross multiply
    215,472.96x = 297,357.48 × 119,988.54
  4. Step 4: Simplify right side
    215,472.96x = 35,679,489,883.28
  5. Step 5: Solve for x
    x = 35,679,489,883.28/215,472.96
  6. Step 6: Final answer
    x = 165,586.86

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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.