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Finding the Fourth Proportional to 114,992.46, 158,688.38 and 64,004.38

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Solution

The fourth proportional to 114,992.46, 158,688.38 and 64,004.38 is: 88,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,992.46 : 158,688.38 = 64,004.38 : x
  2. Step 2: Convert to fraction form
    114,992.46/158,688.38 = 64,004.38/x
  3. Step 3: Cross multiply
    114,992.46x = 158,688.38 × 64,004.38
  4. Step 4: Simplify right side
    114,992.46x = 10,156,751,138.39
  5. Step 5: Solve for x
    x = 10,156,751,138.39/114,992.46
  6. Step 6: Final answer
    x = 88,325.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.