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Finding the Fourth Proportional to 215,237.16, 297,023.22 and 119,743.56

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Solution

The fourth proportional to 215,237.16, 297,023.22 and 119,743.56 is: 165,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,237.16 : 297,023.22 = 119,743.56 : x
  2. Step 2: Convert to fraction form
    215,237.16/297,023.22 = 119,743.56/x
  3. Step 3: Cross multiply
    215,237.16x = 297,023.22 × 119,743.56
  4. Step 4: Simplify right side
    215,237.16x = 35,566,617,765.46
  5. Step 5: Solve for x
    x = 35,566,617,765.46/215,237.16
  6. Step 6: Final answer
    x = 165,243.85

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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.