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Finding the Fourth Proportional to 179,578.82, 247,848.01 and 108,031.16

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Solution

The fourth proportional to 179,578.82, 247,848.01 and 108,031.16 is: 149,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.82 : 247,848.01 = 108,031.16 : x
  2. Step 2: Convert to fraction form
    179,578.82/247,848.01 = 108,031.16/x
  3. Step 3: Cross multiply
    179,578.82x = 247,848.01 × 108,031.16
  4. Step 4: Simplify right side
    179,578.82x = 26,775,308,023.99
  5. Step 5: Solve for x
    x = 26,775,308,023.99/179,578.82
  6. Step 6: Final answer
    x = 149,100.59

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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.