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Finding the Fourth Proportional to 73,082.70, 100,901.03 and 59,686.11

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Solution

The fourth proportional to 73,082.70, 100,901.03 and 59,686.11 is: 82,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,082.70 : 100,901.03 = 59,686.11 : x
  2. Step 2: Convert to fraction form
    73,082.70/100,901.03 = 59,686.11/x
  3. Step 3: Cross multiply
    73,082.70x = 100,901.03 × 59,686.11
  4. Step 4: Simplify right side
    73,082.70x = 6,022,389,677.26
  5. Step 5: Solve for x
    x = 6,022,389,677.26/73,082.70
  6. Step 6: Final answer
    x = 82,405.13

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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.