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Finding the Fourth Proportional to 68,003.60, 101,901.72 and 34,722.32

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Solution

The fourth proportional to 68,003.60, 101,901.72 and 34,722.32 is: 52,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.60 : 101,901.72 = 34,722.32 : x
  2. Step 2: Convert to fraction form
    68,003.60/101,901.72 = 34,722.32/x
  3. Step 3: Cross multiply
    68,003.60x = 101,901.72 × 34,722.32
  4. Step 4: Simplify right side
    68,003.60x = 3,538,264,130.39
  5. Step 5: Solve for x
    x = 3,538,264,130.39/68,003.60
  6. Step 6: Final answer
    x = 52,030.54

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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.