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Finding the Fourth Proportional to 140,940.60, 211,410.90 and 96,034.20

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Solution

The fourth proportional to 140,940.60, 211,410.90 and 96,034.20 is: 144,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,940.60 : 211,410.90 = 96,034.20 : x
  2. Step 2: Convert to fraction form
    140,940.60/211,410.90 = 96,034.20/x
  3. Step 3: Cross multiply
    140,940.60x = 211,410.90 × 96,034.20
  4. Step 4: Simplify right side
    140,940.60x = 20,302,676,652.78
  5. Step 5: Solve for x
    x = 20,302,676,652.78/140,940.60
  6. Step 6: Final answer
    x = 144,051.30

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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.