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Finding the Fourth Proportional to 194,762.32, 292,150.72 and 54,517.28

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Solution

The fourth proportional to 194,762.32, 292,150.72 and 54,517.28 is: 81,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,762.32 : 292,150.72 = 54,517.28 : x
  2. Step 2: Convert to fraction form
    194,762.32/292,150.72 = 54,517.28/x
  3. Step 3: Cross multiply
    194,762.32x = 292,150.72 × 54,517.28
  4. Step 4: Simplify right side
    194,762.32x = 15,927,262,604.44
  5. Step 5: Solve for x
    x = 15,927,262,604.44/194,762.32
  6. Step 6: Final answer
    x = 81,777.95

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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.