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Finding the Fourth Proportional to 99,082.35, 136,673.16 and 58,769.11

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Solution

The fourth proportional to 99,082.35, 136,673.16 and 58,769.11 is: 81,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,082.35 : 136,673.16 = 58,769.11 : x
  2. Step 2: Convert to fraction form
    99,082.35/136,673.16 = 58,769.11/x
  3. Step 3: Cross multiply
    99,082.35x = 136,673.16 × 58,769.11
  4. Step 4: Simplify right side
    99,082.35x = 8,032,159,974.09
  5. Step 5: Solve for x
    x = 8,032,159,974.09/99,082.35
  6. Step 6: Final answer
    x = 81,065.50

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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.