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Finding the Fourth Proportional to 302,562.40, 453,908.40 and 92,221.60

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Solution

The fourth proportional to 302,562.40, 453,908.40 and 92,221.60 is: 138,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,562.40 : 453,908.40 = 92,221.60 : x
  2. Step 2: Convert to fraction form
    302,562.40/453,908.40 = 92,221.60/x
  3. Step 3: Cross multiply
    302,562.40x = 453,908.40 × 92,221.60
  4. Step 4: Simplify right side
    302,562.40x = 41,860,158,901.44
  5. Step 5: Solve for x
    x = 41,860,158,901.44/302,562.40
  6. Step 6: Final answer
    x = 138,352.15

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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.