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Finding the Fourth Proportional to 180,195.87, 248,659.59 and 99,618.57

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Solution

The fourth proportional to 180,195.87, 248,659.59 and 99,618.57 is: 137,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,195.87 : 248,659.59 = 99,618.57 : x
  2. Step 2: Convert to fraction form
    180,195.87/248,659.59 = 99,618.57/x
  3. Step 3: Cross multiply
    180,195.87x = 248,659.59 × 99,618.57
  4. Step 4: Simplify right side
    180,195.87x = 24,771,112,772.59
  5. Step 5: Solve for x
    x = 24,771,112,772.59/180,195.87
  6. Step 6: Final answer
    x = 137,467.71

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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.