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Finding the Fourth Proportional to 182,376.20, 251,792.94 and 117,879.20

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Solution

The fourth proportional to 182,376.20, 251,792.94 and 117,879.20 is: 162,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,376.20 : 251,792.94 = 117,879.20 : x
  2. Step 2: Convert to fraction form
    182,376.20/251,792.94 = 117,879.20/x
  3. Step 3: Cross multiply
    182,376.20x = 251,792.94 × 117,879.20
  4. Step 4: Simplify right side
    182,376.20x = 29,681,150,332.85
  5. Step 5: Solve for x
    x = 29,681,150,332.85/182,376.20
  6. Step 6: Final answer
    x = 162,746.84

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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.