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Finding the Fourth Proportional to 232,395.96, 348,606.96 and 66,171

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Solution

The fourth proportional to 232,395.96, 348,606.96 and 66,171 is: 99,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,395.96 : 348,606.96 = 66,171 : x
  2. Step 2: Convert to fraction form
    232,395.96/348,606.96 = 66,171/x
  3. Step 3: Cross multiply
    232,395.96x = 348,606.96 × 66,171
  4. Step 4: Simplify right side
    232,395.96x = 23,067,671,150.16
  5. Step 5: Solve for x
    x = 23,067,671,150.16/232,395.96
  6. Step 6: Final answer
    x = 99,260.21

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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.