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Finding the Fourth Proportional to 215,349.96, 297,179.98 and 119,856.70

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Solution

The fourth proportional to 215,349.96, 297,179.98 and 119,856.70 is: 165,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,349.96 : 297,179.98 = 119,856.70 : x
  2. Step 2: Convert to fraction form
    215,349.96/297,179.98 = 119,856.70/x
  3. Step 3: Cross multiply
    215,349.96x = 297,179.98 × 119,856.70
  4. Step 4: Simplify right side
    215,349.96x = 35,619,011,708.87
  5. Step 5: Solve for x
    x = 35,619,011,708.87/215,349.96
  6. Step 6: Final answer
    x = 165,400.60

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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.