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Finding the Fourth Proportional to 181,935.92, 251,054.52 and 134,215.76

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Solution

The fourth proportional to 181,935.92, 251,054.52 and 134,215.76 is: 185,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,935.92 : 251,054.52 = 134,215.76 : x
  2. Step 2: Convert to fraction form
    181,935.92/251,054.52 = 134,215.76/x
  3. Step 3: Cross multiply
    181,935.92x = 251,054.52 × 134,215.76
  4. Step 4: Simplify right side
    181,935.92x = 33,695,473,203.24
  5. Step 5: Solve for x
    x = 33,695,473,203.24/181,935.92
  6. Step 6: Final answer
    x = 185,205.17

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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.