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Finding the Fourth Proportional to 215,370.92, 297,221.64 and 119,883.71

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Solution

The fourth proportional to 215,370.92, 297,221.64 and 119,883.71 is: 165,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,370.92 : 297,221.64 = 119,883.71 : x
  2. Step 2: Convert to fraction form
    215,370.92/297,221.64 = 119,883.71/x
  3. Step 3: Cross multiply
    215,370.92x = 297,221.64 × 119,883.71
  4. Step 4: Simplify right side
    215,370.92x = 35,632,032,895.48
  5. Step 5: Solve for x
    x = 35,632,032,895.48/215,370.92
  6. Step 6: Final answer
    x = 165,444.96

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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.