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Finding the Fourth Proportional to 173,238.77, 239,062.75 and 108,742.66

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Solution

The fourth proportional to 173,238.77, 239,062.75 and 108,742.66 is: 150,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,238.77 : 239,062.75 = 108,742.66 : x
  2. Step 2: Convert to fraction form
    173,238.77/239,062.75 = 108,742.66/x
  3. Step 3: Cross multiply
    173,238.77x = 239,062.75 × 108,742.66
  4. Step 4: Simplify right side
    173,238.77x = 25,996,319,341.92
  5. Step 5: Solve for x
    x = 25,996,319,341.92/173,238.77
  6. Step 6: Final answer
    x = 150,060.63

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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.