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Finding the Fourth Proportional to 76,344.59, 114,501.81 and 25,738.61

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Solution

The fourth proportional to 76,344.59, 114,501.81 and 25,738.61 is: 38,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,344.59 : 114,501.81 = 25,738.61 : x
  2. Step 2: Convert to fraction form
    76,344.59/114,501.81 = 25,738.61/x
  3. Step 3: Cross multiply
    76,344.59x = 114,501.81 × 25,738.61
  4. Step 4: Simplify right side
    76,344.59x = 2,947,116,859.38
  5. Step 5: Solve for x
    x = 2,947,116,859.38/76,344.59
  6. Step 6: Final answer
    x = 38,602.83

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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.