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Finding the Fourth Proportional to 302,469.56, 453,773.19 and 92,123.90

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Solution

The fourth proportional to 302,469.56, 453,773.19 and 92,123.90 is: 138,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,469.56 : 453,773.19 = 92,123.90 : x
  2. Step 2: Convert to fraction form
    302,469.56/453,773.19 = 92,123.90/x
  3. Step 3: Cross multiply
    302,469.56x = 453,773.19 × 92,123.90
  4. Step 4: Simplify right side
    302,469.56x = 41,803,355,978.24
  5. Step 5: Solve for x
    x = 41,803,355,978.24/302,469.56
  6. Step 6: Final answer
    x = 138,206.82

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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.