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Finding the Fourth Proportional to 92,932.93, 139,445.71 and 36,813.49

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Solution

The fourth proportional to 92,932.93, 139,445.71 and 36,813.49 is: 55,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,932.93 : 139,445.71 = 36,813.49 : x
  2. Step 2: Convert to fraction form
    92,932.93/139,445.71 = 36,813.49/x
  3. Step 3: Cross multiply
    92,932.93x = 139,445.71 × 36,813.49
  4. Step 4: Simplify right side
    92,932.93x = 5,133,483,250.63
  5. Step 5: Solve for x
    x = 5,133,483,250.63/92,932.93
  6. Step 6: Final answer
    x = 55,238.58

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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.