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Finding the Fourth Proportional to 179,578.32, 247,847.32 and 108,030.66

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Solution

The fourth proportional to 179,578.32, 247,847.32 and 108,030.66 is: 149,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.32 : 247,847.32 = 108,030.66 : x
  2. Step 2: Convert to fraction form
    179,578.32/247,847.32 = 108,030.66/x
  3. Step 3: Cross multiply
    179,578.32x = 247,847.32 × 108,030.66
  4. Step 4: Simplify right side
    179,578.32x = 26,775,109,558.83
  5. Step 5: Solve for x
    x = 26,775,109,558.83/179,578.32
  6. Step 6: Final answer
    x = 149,099.90

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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.