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Finding the Fourth Proportional to 262,273.92, 393,518.88 and 93,815.52

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Solution

The fourth proportional to 262,273.92, 393,518.88 and 93,815.52 is: 140,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,273.92 : 393,518.88 = 93,815.52 : x
  2. Step 2: Convert to fraction form
    262,273.92/393,518.88 = 93,815.52/x
  3. Step 3: Cross multiply
    262,273.92x = 393,518.88 × 93,815.52
  4. Step 4: Simplify right side
    262,273.92x = 36,918,178,357.02
  5. Step 5: Solve for x
    x = 36,918,178,357.02/262,273.92
  6. Step 6: Final answer
    x = 140,761.91

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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.