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Finding the Fourth Proportional to 323,514.71, 485,488.02 and 113,152.64

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Solution

The fourth proportional to 323,514.71, 485,488.02 and 113,152.64 is: 169,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,514.71 : 485,488.02 = 113,152.64 : x
  2. Step 2: Convert to fraction form
    323,514.71/485,488.02 = 113,152.64/x
  3. Step 3: Cross multiply
    323,514.71x = 485,488.02 × 113,152.64
  4. Step 4: Simplify right side
    323,514.71x = 54,934,251,151.37
  5. Step 5: Solve for x
    x = 54,934,251,151.37/323,514.71
  6. Step 6: Final answer
    x = 169,804.50

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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.