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Finding the Fourth Proportional to 73,302.10, 109,807.35 and 68,053.30

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Solution

The fourth proportional to 73,302.10, 109,807.35 and 68,053.30 is: 101,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,302.10 : 109,807.35 = 68,053.30 : x
  2. Step 2: Convert to fraction form
    73,302.10/109,807.35 = 68,053.30/x
  3. Step 3: Cross multiply
    73,302.10x = 109,807.35 × 68,053.30
  4. Step 4: Simplify right side
    73,302.10x = 7,472,752,531.76
  5. Step 5: Solve for x
    x = 7,472,752,531.76/73,302.10
  6. Step 6: Final answer
    x = 101,944.59

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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.