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Finding the Fourth Proportional to 92,393.63, 138,668.34 and 36,273.15

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Solution

The fourth proportional to 92,393.63, 138,668.34 and 36,273.15 is: 54,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,393.63 : 138,668.34 = 36,273.15 : x
  2. Step 2: Convert to fraction form
    92,393.63/138,668.34 = 36,273.15/x
  3. Step 3: Cross multiply
    92,393.63x = 138,668.34 × 36,273.15
  4. Step 4: Simplify right side
    92,393.63x = 5,029,937,429.06
  5. Step 5: Solve for x
    x = 5,029,937,429.06/92,393.63
  6. Step 6: Final answer
    x = 54,440.31

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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.