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Finding the Fourth Proportional to 302,531.09, 453,796.65 and 92,169

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Solution

The fourth proportional to 302,531.09, 453,796.65 and 92,169 is: 138,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,531.09 : 453,796.65 = 92,169 : x
  2. Step 2: Convert to fraction form
    302,531.09/453,796.65 = 92,169/x
  3. Step 3: Cross multiply
    302,531.09x = 453,796.65 × 92,169
  4. Step 4: Simplify right side
    302,531.09x = 41,825,983,433.85
  5. Step 5: Solve for x
    x = 41,825,983,433.85/302,531.09
  6. Step 6: Final answer
    x = 138,253.51

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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.