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Finding the Fourth Proportional to 179,578.94, 247,820.61 and 99,009.34

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Solution

The fourth proportional to 179,578.94, 247,820.61 and 99,009.34 is: 136,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.94 : 247,820.61 = 99,009.34 : x
  2. Step 2: Convert to fraction form
    179,578.94/247,820.61 = 99,009.34/x
  3. Step 3: Cross multiply
    179,578.94x = 247,820.61 × 99,009.34
  4. Step 4: Simplify right side
    179,578.94x = 24,536,554,414.95
  5. Step 5: Solve for x
    x = 24,536,554,414.95/179,578.94
  6. Step 6: Final answer
    x = 136,633.81

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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.