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Finding the Fourth Proportional to 302,025.70, 453,038.55 and 91,663.30

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Solution

The fourth proportional to 302,025.70, 453,038.55 and 91,663.30 is: 137,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,025.70 : 453,038.55 = 91,663.30 : x
  2. Step 2: Convert to fraction form
    302,025.70/453,038.55 = 91,663.30/x
  3. Step 3: Cross multiply
    302,025.70x = 453,038.55 × 91,663.30
  4. Step 4: Simplify right side
    302,025.70x = 41,527,008,520.22
  5. Step 5: Solve for x
    x = 41,527,008,520.22/302,025.70
  6. Step 6: Final answer
    x = 137,494.95

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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.