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Finding the Fourth Proportional to 99,206.00, 136,905.29 and 53,884.87

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Solution

The fourth proportional to 99,206.00, 136,905.29 and 53,884.87 is: 74,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,206.00 : 136,905.29 = 53,884.87 : x
  2. Step 2: Convert to fraction form
    99,206.00/136,905.29 = 53,884.87/x
  3. Step 3: Cross multiply
    99,206.00x = 136,905.29 × 53,884.87
  4. Step 4: Simplify right side
    99,206.00x = 7,377,123,729.39
  5. Step 5: Solve for x
    x = 7,377,123,729.39/99,206.00
  6. Step 6: Final answer
    x = 74,361.67

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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.