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Finding the Fourth Proportional to 159,295.97, 219,824.23 and 86,700.27

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Solution

The fourth proportional to 159,295.97, 219,824.23 and 86,700.27 is: 119,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,295.97 : 219,824.23 = 86,700.27 : x
  2. Step 2: Convert to fraction form
    159,295.97/219,824.23 = 86,700.27/x
  3. Step 3: Cross multiply
    159,295.97x = 219,824.23 × 86,700.27
  4. Step 4: Simplify right side
    159,295.97x = 19,058,820,863.70
  5. Step 5: Solve for x
    x = 19,058,820,863.70/159,295.97
  6. Step 6: Final answer
    x = 119,644.09

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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.