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Finding the Fourth Proportional to 179,672.36, 247,949.02 and 99,102.06

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Solution

The fourth proportional to 179,672.36, 247,949.02 and 99,102.06 is: 136,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,672.36 : 247,949.02 = 99,102.06 : x
  2. Step 2: Convert to fraction form
    179,672.36/247,949.02 = 99,102.06/x
  3. Step 3: Cross multiply
    179,672.36x = 247,949.02 × 99,102.06
  4. Step 4: Simplify right side
    179,672.36x = 24,572,258,656.98
  5. Step 5: Solve for x
    x = 24,572,258,656.98/179,672.36
  6. Step 6: Final answer
    x = 136,761.48

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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.