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Finding the Fourth Proportional to 180,161.82, 248,612.52 and 99,584.54

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Solution

The fourth proportional to 180,161.82, 248,612.52 and 99,584.54 is: 137,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,161.82 : 248,612.52 = 99,584.54 : x
  2. Step 2: Convert to fraction form
    180,161.82/248,612.52 = 99,584.54/x
  3. Step 3: Cross multiply
    180,161.82x = 248,612.52 × 99,584.54
  4. Step 4: Simplify right side
    180,161.82x = 24,757,963,442.44
  5. Step 5: Solve for x
    x = 24,757,963,442.44/180,161.82
  6. Step 6: Final answer
    x = 137,420.70

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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.