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Finding the Fourth Proportional to 179,889.33, 248,242.33 and 99,315.39

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Solution

The fourth proportional to 179,889.33, 248,242.33 and 99,315.39 is: 137,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,889.33 : 248,242.33 = 99,315.39 : x
  2. Step 2: Convert to fraction form
    179,889.33/248,242.33 = 99,315.39/x
  3. Step 3: Cross multiply
    179,889.33x = 248,242.33 × 99,315.39
  4. Step 4: Simplify right side
    179,889.33x = 24,654,283,818.46
  5. Step 5: Solve for x
    x = 24,654,283,818.46/179,889.33
  6. Step 6: Final answer
    x = 137,052.51

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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.