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Finding the Fourth Proportional to 68,159.36, 102,334.72 and 34,903.36

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Solution

The fourth proportional to 68,159.36, 102,334.72 and 34,903.36 is: 52,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,159.36 : 102,334.72 = 34,903.36 : x
  2. Step 2: Convert to fraction form
    68,159.36/102,334.72 = 34,903.36/x
  3. Step 3: Cross multiply
    68,159.36x = 102,334.72 × 34,903.36
  4. Step 4: Simplify right side
    68,159.36x = 3,571,825,572.66
  5. Step 5: Solve for x
    x = 3,571,825,572.66/68,159.36
  6. Step 6: Final answer
    x = 52,404.04

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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.