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Finding the Fourth Proportional to 262,116, 393,257.52 and 93,633.12

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Solution

The fourth proportional to 262,116, 393,257.52 and 93,633.12 is: 140,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,116 : 393,257.52 = 93,633.12 : x
  2. Step 2: Convert to fraction form
    262,116/393,257.52 = 93,633.12/x
  3. Step 3: Cross multiply
    262,116x = 393,257.52 × 93,633.12
  4. Step 4: Simplify right side
    262,116x = 36,821,928,561.06
  5. Step 5: Solve for x
    x = 36,821,928,561.06/262,116
  6. Step 6: Final answer
    x = 140,479.52

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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.