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Finding the Fourth Proportional to 179,863.93, 248,205.71 and 99,289.72

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Solution

The fourth proportional to 179,863.93, 248,205.71 and 99,289.72 is: 137,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,863.93 : 248,205.71 = 99,289.72 : x
  2. Step 2: Convert to fraction form
    179,863.93/248,205.71 = 99,289.72/x
  3. Step 3: Cross multiply
    179,863.93x = 248,205.71 × 99,289.72
  4. Step 4: Simplify right side
    179,863.93x = 24,644,275,727.53
  5. Step 5: Solve for x
    x = 24,644,275,727.53/179,863.93
  6. Step 6: Final answer
    x = 137,016.22

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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.