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Finding the Fourth Proportional to 302,591.70, 453,887.55 and 92,240.10

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Solution

The fourth proportional to 302,591.70, 453,887.55 and 92,240.10 is: 138,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,591.70 : 453,887.55 = 92,240.10 : x
  2. Step 2: Convert to fraction form
    302,591.70/453,887.55 = 92,240.10/x
  3. Step 3: Cross multiply
    302,591.70x = 453,887.55 × 92,240.10
  4. Step 4: Simplify right side
    302,591.70x = 41,866,633,000.76
  5. Step 5: Solve for x
    x = 41,866,633,000.76/302,591.70
  6. Step 6: Final answer
    x = 138,360.15

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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.