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Finding the Fourth Proportional to 195,168.56, 292,752.86 and 54,927.18

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Solution

The fourth proportional to 195,168.56, 292,752.86 and 54,927.18 is: 82,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,168.56 : 292,752.86 = 54,927.18 : x
  2. Step 2: Convert to fraction form
    195,168.56/292,752.86 = 54,927.18/x
  3. Step 3: Cross multiply
    195,168.56x = 292,752.86 × 54,927.18
  4. Step 4: Simplify right side
    195,168.56x = 16,080,088,762.10
  5. Step 5: Solve for x
    x = 16,080,088,762.10/195,168.56
  6. Step 6: Final answer
    x = 82,390.78

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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.