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Finding the Fourth Proportional to 236,612.92, 326,404.31 and 156,011.04

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Solution

The fourth proportional to 236,612.92, 326,404.31 and 156,011.04 is: 215,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,612.92 : 326,404.31 = 156,011.04 : x
  2. Step 2: Convert to fraction form
    236,612.92/326,404.31 = 156,011.04/x
  3. Step 3: Cross multiply
    236,612.92x = 326,404.31 × 156,011.04
  4. Step 4: Simplify right side
    236,612.92x = 50,922,675,863.58
  5. Step 5: Solve for x
    x = 50,922,675,863.58/236,612.92
  6. Step 6: Final answer
    x = 215,215.11

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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.