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Finding the Fourth Proportional to 217,671.78, 326,509.29 and 59,908.92

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Solution

The fourth proportional to 217,671.78, 326,509.29 and 59,908.92 is: 89,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,671.78 : 326,509.29 = 59,908.92 : x
  2. Step 2: Convert to fraction form
    217,671.78/326,509.29 = 59,908.92/x
  3. Step 3: Cross multiply
    217,671.78x = 326,509.29 × 59,908.92
  4. Step 4: Simplify right side
    217,671.78x = 19,560,818,933.87
  5. Step 5: Solve for x
    x = 19,560,818,933.87/217,671.78
  6. Step 6: Final answer
    x = 89,863.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.