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Finding the Fourth Proportional to 114,402.99, 171,606.76 and 80,530.47

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Solution

The fourth proportional to 114,402.99, 171,606.76 and 80,530.47 is: 120,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,402.99 : 171,606.76 = 80,530.47 : x
  2. Step 2: Convert to fraction form
    114,402.99/171,606.76 = 80,530.47/x
  3. Step 3: Cross multiply
    114,402.99x = 171,606.76 × 80,530.47
  4. Step 4: Simplify right side
    114,402.99x = 13,819,572,836.65
  5. Step 5: Solve for x
    x = 13,819,572,836.65/114,402.99
  6. Step 6: Final answer
    x = 120,797.30

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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.