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Finding the Fourth Proportional to 168,701.40, 253,052.10 and 159,024.60

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Solution

The fourth proportional to 168,701.40, 253,052.10 and 159,024.60 is: 238,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,701.40 : 253,052.10 = 159,024.60 : x
  2. Step 2: Convert to fraction form
    168,701.40/253,052.10 = 159,024.60/x
  3. Step 3: Cross multiply
    168,701.40x = 253,052.10 × 159,024.60
  4. Step 4: Simplify right side
    168,701.40x = 40,241,508,981.66
  5. Step 5: Solve for x
    x = 40,241,508,981.66/168,701.40
  6. Step 6: Final answer
    x = 238,536.90

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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.