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Finding the Fourth Proportional to 168,871.50, 233,043.58 and 92,391.50

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Solution

The fourth proportional to 168,871.50, 233,043.58 and 92,391.50 is: 127,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,871.50 : 233,043.58 = 92,391.50 : x
  2. Step 2: Convert to fraction form
    168,871.50/233,043.58 = 92,391.50/x
  3. Step 3: Cross multiply
    168,871.50x = 233,043.58 × 92,391.50
  4. Step 4: Simplify right side
    168,871.50x = 21,531,246,619.67
  5. Step 5: Solve for x
    x = 21,531,246,619.67/168,871.50
  6. Step 6: Final answer
    x = 127,500.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.