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Finding the Fourth Proportional to 92,932.47, 139,468.81 and 43,047.57

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Solution

The fourth proportional to 92,932.47, 139,468.81 and 43,047.57 is: 64,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,932.47 : 139,468.81 = 43,047.57 : x
  2. Step 2: Convert to fraction form
    92,932.47/139,468.81 = 43,047.57/x
  3. Step 3: Cross multiply
    92,932.47x = 139,468.81 × 43,047.57
  4. Step 4: Simplify right side
    92,932.47x = 6,003,793,361.29
  5. Step 5: Solve for x
    x = 6,003,793,361.29/92,932.47
  6. Step 6: Final answer
    x = 64,603.83

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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.