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Finding the Fourth Proportional to 92,820.15, 139,246.02 and 36,630.86

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Solution

The fourth proportional to 92,820.15, 139,246.02 and 36,630.86 is: 54,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820.15 : 139,246.02 = 36,630.86 : x
  2. Step 2: Convert to fraction form
    92,820.15/139,246.02 = 36,630.86/x
  3. Step 3: Cross multiply
    92,820.15x = 139,246.02 × 36,630.86
  4. Step 4: Simplify right side
    92,820.15x = 5,100,701,464.18
  5. Step 5: Solve for x
    x = 5,100,701,464.18/92,820.15
  6. Step 6: Final answer
    x = 54,952.52

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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.