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Finding the Fourth Proportional to 215,086.92, 296,818.96 and 119,587.92

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Solution

The fourth proportional to 215,086.92, 296,818.96 and 119,587.92 is: 165,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,086.92 : 296,818.96 = 119,587.92 : x
  2. Step 2: Convert to fraction form
    215,086.92/296,818.96 = 119,587.92/x
  3. Step 3: Cross multiply
    215,086.92x = 296,818.96 × 119,587.92
  4. Step 4: Simplify right side
    215,086.92x = 35,495,962,042.96
  5. Step 5: Solve for x
    x = 35,495,962,042.96/215,086.92
  6. Step 6: Final answer
    x = 165,030.78

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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.