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Finding the Fourth Proportional to 262,116, 393,074.10 and 93,604.86

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Solution

The fourth proportional to 262,116, 393,074.10 and 93,604.86 is: 140,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,116 : 393,074.10 = 93,604.86 : x
  2. Step 2: Convert to fraction form
    262,116/393,074.10 = 93,604.86/x
  3. Step 3: Cross multiply
    262,116x = 393,074.10 × 93,604.86
  4. Step 4: Simplify right side
    262,116x = 36,793,646,100.13
  5. Step 5: Solve for x
    x = 36,793,646,100.13/262,116
  6. Step 6: Final answer
    x = 140,371.61

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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.