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Finding the Fourth Proportional to 92,404.76, 138,622.10 and 36,214.41

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Solution

The fourth proportional to 92,404.76, 138,622.10 and 36,214.41 is: 54,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,404.76 : 138,622.10 = 36,214.41 : x
  2. Step 2: Convert to fraction form
    92,404.76/138,622.10 = 36,214.41/x
  3. Step 3: Cross multiply
    92,404.76x = 138,622.10 × 36,214.41
  4. Step 4: Simplify right side
    92,404.76x = 5,020,117,564.46
  5. Step 5: Solve for x
    x = 5,020,117,564.46/92,404.76
  6. Step 6: Final answer
    x = 54,327.48

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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.