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Finding the Fourth Proportional to 179,793.84, 248,118.12 and 99,225.12

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Solution

The fourth proportional to 179,793.84, 248,118.12 and 99,225.12 is: 136,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.84 : 248,118.12 = 99,225.12 : x
  2. Step 2: Convert to fraction form
    179,793.84/248,118.12 = 99,225.12/x
  3. Step 3: Cross multiply
    179,793.84x = 248,118.12 × 99,225.12
  4. Step 4: Simplify right side
    179,793.84x = 24,619,550,231.17
  5. Step 5: Solve for x
    x = 24,619,550,231.17/179,793.84
  6. Step 6: Final answer
    x = 136,932.11

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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.