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Finding the Fourth Proportional to 173,512.10, 260,851.35 and 147,851.30

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Solution

The fourth proportional to 173,512.10, 260,851.35 and 147,851.30 is: 222,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,512.10 : 260,851.35 = 147,851.30 : x
  2. Step 2: Convert to fraction form
    173,512.10/260,851.35 = 147,851.30/x
  3. Step 3: Cross multiply
    173,512.10x = 260,851.35 × 147,851.30
  4. Step 4: Simplify right side
    173,512.10x = 38,567,211,204.26
  5. Step 5: Solve for x
    x = 38,567,211,204.26/173,512.10
  6. Step 6: Final answer
    x = 222,273.90

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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.