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Finding the Fourth Proportional to 168,022.60, 252,033.90 and 151,401.40

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Solution

The fourth proportional to 168,022.60, 252,033.90 and 151,401.40 is: 227,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022.60 : 252,033.90 = 151,401.40 : x
  2. Step 2: Convert to fraction form
    168,022.60/252,033.90 = 151,401.40/x
  3. Step 3: Cross multiply
    168,022.60x = 252,033.90 × 151,401.40
  4. Step 4: Simplify right side
    168,022.60x = 38,158,285,307.46
  5. Step 5: Solve for x
    x = 38,158,285,307.46/168,022.60
  6. Step 6: Final answer
    x = 227,102.10

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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.