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Finding the Fourth Proportional to 302,602.20, 453,903.30 and 92,250.60

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Solution

The fourth proportional to 302,602.20, 453,903.30 and 92,250.60 is: 138,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,602.20 : 453,903.30 = 92,250.60 : x
  2. Step 2: Convert to fraction form
    302,602.20/453,903.30 = 92,250.60/x
  3. Step 3: Cross multiply
    302,602.20x = 453,903.30 × 92,250.60
  4. Step 4: Simplify right side
    302,602.20x = 41,872,851,766.98
  5. Step 5: Solve for x
    x = 41,872,851,766.98/302,602.20
  6. Step 6: Final answer
    x = 138,375.90

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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.