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Finding the Fourth Proportional to 68,174.24, 102,210.24 and 45,925.20

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Solution

The fourth proportional to 68,174.24, 102,210.24 and 45,925.20 is: 68,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,174.24 : 102,210.24 = 45,925.20 : x
  2. Step 2: Convert to fraction form
    68,174.24/102,210.24 = 45,925.20/x
  3. Step 3: Cross multiply
    68,174.24x = 102,210.24 × 45,925.20
  4. Step 4: Simplify right side
    68,174.24x = 4,694,025,714.05
  5. Step 5: Solve for x
    x = 4,694,025,714.05/68,174.24
  6. Step 6: Final answer
    x = 68,853.36

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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.