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Finding the Fourth Proportional to 302,532.60, 453,750.30 and 92,121.60

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Solution

The fourth proportional to 302,532.60, 453,750.30 and 92,121.60 is: 138,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,532.60 : 453,750.30 = 92,121.60 : x
  2. Step 2: Convert to fraction form
    302,532.60/453,750.30 = 92,121.60/x
  3. Step 3: Cross multiply
    302,532.60x = 453,750.30 × 92,121.60
  4. Step 4: Simplify right side
    302,532.60x = 41,800,203,636.48
  5. Step 5: Solve for x
    x = 41,800,203,636.48/302,532.60
  6. Step 6: Final answer
    x = 138,167.60

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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.