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Finding the Fourth Proportional to 159,169.63, 238,728.49 and 46,823.57

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Solution

The fourth proportional to 159,169.63, 238,728.49 and 46,823.57 is: 70,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,169.63 : 238,728.49 = 46,823.57 : x
  2. Step 2: Convert to fraction form
    159,169.63/238,728.49 = 46,823.57/x
  3. Step 3: Cross multiply
    159,169.63x = 238,728.49 × 46,823.57
  4. Step 4: Simplify right side
    159,169.63x = 11,178,119,747.04
  5. Step 5: Solve for x
    x = 11,178,119,747.04/159,169.63
  6. Step 6: Final answer
    x = 70,227.72

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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.