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Finding the Fourth Proportional to 179,751.92, 248,058.54 and 99,179.51

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Solution

The fourth proportional to 179,751.92, 248,058.54 and 99,179.51 is: 136,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,751.92 : 248,058.54 = 99,179.51 : x
  2. Step 2: Convert to fraction form
    179,751.92/248,058.54 = 99,179.51/x
  3. Step 3: Cross multiply
    179,751.92x = 248,058.54 × 99,179.51
  4. Step 4: Simplify right side
    179,751.92x = 24,602,323,208.22
  5. Step 5: Solve for x
    x = 24,602,323,208.22/179,751.92
  6. Step 6: Final answer
    x = 136,868.21

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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.