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Finding the Fourth Proportional to 179,866.99, 248,218.45 and 99,294.56

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Solution

The fourth proportional to 179,866.99, 248,218.45 and 99,294.56 is: 137,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,866.99 : 248,218.45 = 99,294.56 : x
  2. Step 2: Convert to fraction form
    179,866.99/248,218.45 = 99,294.56/x
  3. Step 3: Cross multiply
    179,866.99x = 248,218.45 × 99,294.56
  4. Step 4: Simplify right side
    179,866.99x = 24,646,740,535.54
  5. Step 5: Solve for x
    x = 24,646,740,535.54/179,866.99
  6. Step 6: Final answer
    x = 137,027.60

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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.