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Finding the Fourth Proportional to 202,437.30, 303,655.95 and 136,082.10

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Solution

The fourth proportional to 202,437.30, 303,655.95 and 136,082.10 is: 204,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,437.30 : 303,655.95 = 136,082.10 : x
  2. Step 2: Convert to fraction form
    202,437.30/303,655.95 = 136,082.10/x
  3. Step 3: Cross multiply
    202,437.30x = 303,655.95 × 136,082.10
  4. Step 4: Simplify right side
    202,437.30x = 41,322,139,353.50
  5. Step 5: Solve for x
    x = 41,322,139,353.50/202,437.30
  6. Step 6: Final answer
    x = 204,123.15

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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.