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Finding the Fourth Proportional to 179,846.65, 248,188.42 and 99,274.22

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Solution

The fourth proportional to 179,846.65, 248,188.42 and 99,274.22 is: 136,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,846.65 : 248,188.42 = 99,274.22 : x
  2. Step 2: Convert to fraction form
    179,846.65/248,188.42 = 99,274.22/x
  3. Step 3: Cross multiply
    179,846.65x = 248,188.42 × 99,274.22
  4. Step 4: Simplify right side
    179,846.65x = 24,638,711,808.53
  5. Step 5: Solve for x
    x = 24,638,711,808.53/179,846.65
  6. Step 6: Final answer
    x = 136,998.45

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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.