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Finding the Fourth Proportional to 76,082.53, 114,101.48 and 28,663.41

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Solution

The fourth proportional to 76,082.53, 114,101.48 and 28,663.41 is: 42,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,082.53 : 114,101.48 = 28,663.41 : x
  2. Step 2: Convert to fraction form
    76,082.53/114,101.48 = 28,663.41/x
  3. Step 3: Cross multiply
    76,082.53x = 114,101.48 × 28,663.41
  4. Step 4: Simplify right side
    76,082.53x = 3,270,537,502.85
  5. Step 5: Solve for x
    x = 3,270,537,502.85/76,082.53
  6. Step 6: Final answer
    x = 42,986.71

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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.