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Finding the Fourth Proportional to 170,864.40, 235,796.40 and 95,412.96

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Solution

The fourth proportional to 170,864.40, 235,796.40 and 95,412.96 is: 131,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,864.40 : 235,796.40 = 95,412.96 : x
  2. Step 2: Convert to fraction form
    170,864.40/235,796.40 = 95,412.96/x
  3. Step 3: Cross multiply
    170,864.40x = 235,796.40 × 95,412.96
  4. Step 4: Simplify right side
    170,864.40x = 22,498,032,481.34
  5. Step 5: Solve for x
    x = 22,498,032,481.34/170,864.40
  6. Step 6: Final answer
    x = 131,671.85

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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.