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Finding the Fourth Proportional to 263,491.74, 395,192.58 and 94,978.52

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Solution

The fourth proportional to 263,491.74, 395,192.58 and 94,978.52 is: 142,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,491.74 : 395,192.58 = 94,978.52 : x
  2. Step 2: Convert to fraction form
    263,491.74/395,192.58 = 94,978.52/x
  3. Step 3: Cross multiply
    263,491.74x = 395,192.58 × 94,978.52
  4. Step 4: Simplify right side
    263,491.74x = 37,534,806,363.38
  5. Step 5: Solve for x
    x = 37,534,806,363.38/263,491.74
  6. Step 6: Final answer
    x = 142,451.55

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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.