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Finding the Fourth Proportional to 179,682.82, 247,929.69 and 111,717.70

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Solution

The fourth proportional to 179,682.82, 247,929.69 and 111,717.70 is: 154,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,682.82 : 247,929.69 = 111,717.70 : x
  2. Step 2: Convert to fraction form
    179,682.82/247,929.69 = 111,717.70/x
  3. Step 3: Cross multiply
    179,682.82x = 247,929.69 × 111,717.70
  4. Step 4: Simplify right side
    179,682.82x = 27,698,134,728.51
  5. Step 5: Solve for x
    x = 27,698,134,728.51/179,682.82
  6. Step 6: Final answer
    x = 154,150.16

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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.