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Finding the Fourth Proportional to 302,557.40, 453,900.90 and 92,216.60

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Solution

The fourth proportional to 302,557.40, 453,900.90 and 92,216.60 is: 138,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,557.40 : 453,900.90 = 92,216.60 : x
  2. Step 2: Convert to fraction form
    302,557.40/453,900.90 = 92,216.60/x
  3. Step 3: Cross multiply
    302,557.40x = 453,900.90 × 92,216.60
  4. Step 4: Simplify right side
    302,557.40x = 41,857,197,734.94
  5. Step 5: Solve for x
    x = 41,857,197,734.94/302,557.40
  6. Step 6: Final answer
    x = 138,344.65

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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.