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Finding the Fourth Proportional to 92,615.24, 138,928.86 and 37,211.24

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Solution

The fourth proportional to 92,615.24, 138,928.86 and 37,211.24 is: 55,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.24 : 138,928.86 = 37,211.24 : x
  2. Step 2: Convert to fraction form
    92,615.24/138,928.86 = 37,211.24/x
  3. Step 3: Cross multiply
    92,615.24x = 138,928.86 × 37,211.24
  4. Step 4: Simplify right side
    92,615.24x = 5,169,715,152.39
  5. Step 5: Solve for x
    x = 5,169,715,152.39/92,615.24
  6. Step 6: Final answer
    x = 55,819.27

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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.