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Finding the Fourth Proportional to 64,112.26, 96,168.40 and 26,671.64

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Solution

The fourth proportional to 64,112.26, 96,168.40 and 26,671.64 is: 40,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.26 : 96,168.40 = 26,671.64 : x
  2. Step 2: Convert to fraction form
    64,112.26/96,168.40 = 26,671.64/x
  3. Step 3: Cross multiply
    64,112.26x = 96,168.40 × 26,671.64
  4. Step 4: Simplify right side
    64,112.26x = 2,564,968,944.18
  5. Step 5: Solve for x
    x = 2,564,968,944.18/64,112.26
  6. Step 6: Final answer
    x = 40,007.46

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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.