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Finding the Fourth Proportional to 323,042.96, 484,619.80 and 109,788.32

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Solution

The fourth proportional to 323,042.96, 484,619.80 and 109,788.32 is: 164,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,042.96 : 484,619.80 = 109,788.32 : x
  2. Step 2: Convert to fraction form
    323,042.96/484,619.80 = 109,788.32/x
  3. Step 3: Cross multiply
    323,042.96x = 484,619.80 × 109,788.32
  4. Step 4: Simplify right side
    323,042.96x = 53,205,593,680.74
  5. Step 5: Solve for x
    x = 53,205,593,680.74/323,042.96
  6. Step 6: Final answer
    x = 164,701.29

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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.