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Finding the Fourth Proportional to 262,164, 393,145.92 and 93,652.96

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Solution

The fourth proportional to 262,164, 393,145.92 and 93,652.96 is: 140,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,164 : 393,145.92 = 93,652.96 : x
  2. Step 2: Convert to fraction form
    262,164/393,145.92 = 93,652.96/x
  3. Step 3: Cross multiply
    262,164x = 393,145.92 × 93,652.96
  4. Step 4: Simplify right side
    262,164x = 36,819,279,119.92
  5. Step 5: Solve for x
    x = 36,819,279,119.92/262,164
  6. Step 6: Final answer
    x = 140,443.69

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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.