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Finding the Fourth Proportional to 73,302.30, 101,105.02 and 67,272.02

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Solution

The fourth proportional to 73,302.30, 101,105.02 and 67,272.02 is: 92,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,302.30 : 101,105.02 = 67,272.02 : x
  2. Step 2: Convert to fraction form
    73,302.30/101,105.02 = 67,272.02/x
  3. Step 3: Cross multiply
    73,302.30x = 101,105.02 × 67,272.02
  4. Step 4: Simplify right side
    73,302.30x = 6,801,539,012.12
  5. Step 5: Solve for x
    x = 6,801,539,012.12/73,302.30
  6. Step 6: Final answer
    x = 92,787.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.