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Finding the Fourth Proportional to 68,377.44, 102,570.48 and 28,929.36

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Solution

The fourth proportional to 68,377.44, 102,570.48 and 28,929.36 is: 43,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,377.44 : 102,570.48 = 28,929.36 : x
  2. Step 2: Convert to fraction form
    68,377.44/102,570.48 = 28,929.36/x
  3. Step 3: Cross multiply
    68,377.44x = 102,570.48 × 28,929.36
  4. Step 4: Simplify right side
    68,377.44x = 2,967,298,341.29
  5. Step 5: Solve for x
    x = 2,967,298,341.29/68,377.44
  6. Step 6: Final answer
    x = 43,395.87

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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.