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Finding the Fourth Proportional to 164,851.20, 246,985.20 and 141,523.20

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Solution

The fourth proportional to 164,851.20, 246,985.20 and 141,523.20 is: 212,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,851.20 : 246,985.20 = 141,523.20 : x
  2. Step 2: Convert to fraction form
    164,851.20/246,985.20 = 141,523.20/x
  3. Step 3: Cross multiply
    164,851.20x = 246,985.20 × 141,523.20
  4. Step 4: Simplify right side
    164,851.20x = 34,954,135,856.64
  5. Step 5: Solve for x
    x = 34,954,135,856.64/164,851.20
  6. Step 6: Final answer
    x = 212,034.46

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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.