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Finding the Fourth Proportional to 323,036.16, 484,653.51 and 165,375.33

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Solution

The fourth proportional to 323,036.16, 484,653.51 and 165,375.33 is: 248,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,036.16 : 484,653.51 = 165,375.33 : x
  2. Step 2: Convert to fraction form
    323,036.16/484,653.51 = 165,375.33/x
  3. Step 3: Cross multiply
    323,036.16x = 484,653.51 × 165,375.33
  4. Step 4: Simplify right side
    323,036.16x = 80,149,734,151.91
  5. Step 5: Solve for x
    x = 80,149,734,151.91/323,036.16
  6. Step 6: Final answer
    x = 248,113.82

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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.