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Finding the Fourth Proportional to 162,967.39, 244,319.55 and 57,728.95

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Solution

The fourth proportional to 162,967.39, 244,319.55 and 57,728.95 is: 86,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,967.39 : 244,319.55 = 57,728.95 : x
  2. Step 2: Convert to fraction form
    162,967.39/244,319.55 = 57,728.95/x
  3. Step 3: Cross multiply
    162,967.39x = 244,319.55 × 57,728.95
  4. Step 4: Simplify right side
    162,967.39x = 14,104,311,085.97
  5. Step 5: Solve for x
    x = 14,104,311,085.97/162,967.39
  6. Step 6: Final answer
    x = 86,546.83

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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.