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Finding the Fourth Proportional to 179,860.44, 248,206.08 and 99,288

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Solution

The fourth proportional to 179,860.44, 248,206.08 and 99,288 is: 137,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,860.44 : 248,206.08 = 99,288 : x
  2. Step 2: Convert to fraction form
    179,860.44/248,206.08 = 99,288/x
  3. Step 3: Cross multiply
    179,860.44x = 248,206.08 × 99,288
  4. Step 4: Simplify right side
    179,860.44x = 24,643,885,271.04
  5. Step 5: Solve for x
    x = 24,643,885,271.04/179,860.44
  6. Step 6: Final answer
    x = 137,016.71

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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.