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Finding the Fourth Proportional to 179,615, 247,879.14 and 99,059.66

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Solution

The fourth proportional to 179,615, 247,879.14 and 99,059.66 is: 136,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,615 : 247,879.14 = 99,059.66 : x
  2. Step 2: Convert to fraction form
    179,615/247,879.14 = 99,059.66/x
  3. Step 3: Cross multiply
    179,615x = 247,879.14 × 99,059.66
  4. Step 4: Simplify right side
    179,615x = 24,554,823,329.49
  5. Step 5: Solve for x
    x = 24,554,823,329.49/179,615
  6. Step 6: Final answer
    x = 136,708.09

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1.5x scale

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.