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Finding the Fourth Proportional to 148,191.98, 204,502.86 and 84,530.84

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Solution

The fourth proportional to 148,191.98, 204,502.86 and 84,530.84 is: 116,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,191.98 : 204,502.86 = 84,530.84 : x
  2. Step 2: Convert to fraction form
    148,191.98/204,502.86 = 84,530.84/x
  3. Step 3: Cross multiply
    148,191.98x = 204,502.86 × 84,530.84
  4. Step 4: Simplify right side
    148,191.98x = 17,286,797,515.69
  5. Step 5: Solve for x
    x = 17,286,797,515.69/148,191.98
  6. Step 6: Final answer
    x = 116,651.37

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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.