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Finding the Fourth Proportional to 92,684.94, 139,034.70 and 36,521.16

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Solution

The fourth proportional to 92,684.94, 139,034.70 and 36,521.16 is: 54,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,684.94 : 139,034.70 = 36,521.16 : x
  2. Step 2: Convert to fraction form
    92,684.94/139,034.70 = 36,521.16/x
  3. Step 3: Cross multiply
    92,684.94x = 139,034.70 × 36,521.16
  4. Step 4: Simplify right side
    92,684.94x = 5,077,708,524.25
  5. Step 5: Solve for x
    x = 5,077,708,524.25/92,684.94
  6. Step 6: Final answer
    x = 54,784.61

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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.