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Finding the Fourth Proportional to 165,392.52, 247,803.45 and 90,566.52

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Solution

The fourth proportional to 165,392.52, 247,803.45 and 90,566.52 is: 135,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,392.52 : 247,803.45 = 90,566.52 : x
  2. Step 2: Convert to fraction form
    165,392.52/247,803.45 = 90,566.52/x
  3. Step 3: Cross multiply
    165,392.52x = 247,803.45 × 90,566.52
  4. Step 4: Simplify right side
    165,392.52x = 22,442,696,110.49
  5. Step 5: Solve for x
    x = 22,442,696,110.49/165,392.52
  6. Step 6: Final answer
    x = 135,693.54

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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.