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Finding the Fourth Proportional to 173,201.10, 259,801.65 and 163,578.30

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Solution

The fourth proportional to 173,201.10, 259,801.65 and 163,578.30 is: 245,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,201.10 : 259,801.65 = 163,578.30 : x
  2. Step 2: Convert to fraction form
    173,201.10/259,801.65 = 163,578.30/x
  3. Step 3: Cross multiply
    173,201.10x = 259,801.65 × 163,578.30
  4. Step 4: Simplify right side
    173,201.10x = 42,497,912,244.20
  5. Step 5: Solve for x
    x = 42,497,912,244.20/173,201.10
  6. Step 6: Final answer
    x = 245,367.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.