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Finding the Fourth Proportional to 262,398.69, 393,604.11 and 93,930.59

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Solution

The fourth proportional to 262,398.69, 393,604.11 and 93,930.59 is: 140,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,398.69 : 393,604.11 = 93,930.59 : x
  2. Step 2: Convert to fraction form
    262,398.69/393,604.11 = 93,930.59/x
  3. Step 3: Cross multiply
    262,398.69x = 393,604.11 × 93,930.59
  4. Step 4: Simplify right side
    262,398.69x = 36,971,465,048.71
  5. Step 5: Solve for x
    x = 36,971,465,048.71/262,398.69
  6. Step 6: Final answer
    x = 140,898.05

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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.