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Finding the Fourth Proportional to 163,558.92, 245,286.54 and 52,725

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Solution

The fourth proportional to 163,558.92, 245,286.54 and 52,725 is: 79,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,558.92 : 245,286.54 = 52,725 : x
  2. Step 2: Convert to fraction form
    163,558.92/245,286.54 = 52,725/x
  3. Step 3: Cross multiply
    163,558.92x = 245,286.54 × 52,725
  4. Step 4: Simplify right side
    163,558.92x = 12,932,732,821.50
  5. Step 5: Solve for x
    x = 12,932,732,821.50/163,558.92
  6. Step 6: Final answer
    x = 79,070.79

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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.