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Finding the Fourth Proportional to 92,944.71, 139,229.96 and 42,955.97

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Solution

The fourth proportional to 92,944.71, 139,229.96 and 42,955.97 is: 64,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,944.71 : 139,229.96 = 42,955.97 : x
  2. Step 2: Convert to fraction form
    92,944.71/139,229.96 = 42,955.97/x
  3. Step 3: Cross multiply
    92,944.71x = 139,229.96 × 42,955.97
  4. Step 4: Simplify right side
    92,944.71x = 5,980,757,073.93
  5. Step 5: Solve for x
    x = 5,980,757,073.93/92,944.71
  6. Step 6: Final answer
    x = 64,347.47

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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.