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Finding the Fourth Proportional to 262,028.82, 393,023.78 and 93,529.92

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Solution

The fourth proportional to 262,028.82, 393,023.78 and 93,529.92 is: 140,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,028.82 : 393,023.78 = 93,529.92 : x
  2. Step 2: Convert to fraction form
    262,028.82/393,023.78 = 93,529.92/x
  3. Step 3: Cross multiply
    262,028.82x = 393,023.78 × 93,529.92
  4. Step 4: Simplify right side
    262,028.82x = 36,759,482,701.50
  5. Step 5: Solve for x
    x = 36,759,482,701.50/262,028.82
  6. Step 6: Final answer
    x = 140,287.94

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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.