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Finding the Fourth Proportional to 161,188.38, 241,785 and 56,009.88

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Solution

The fourth proportional to 161,188.38, 241,785 and 56,009.88 is: 84,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,188.38 : 241,785 = 56,009.88 : x
  2. Step 2: Convert to fraction form
    161,188.38/241,785 = 56,009.88/x
  3. Step 3: Cross multiply
    161,188.38x = 241,785 × 56,009.88
  4. Step 4: Simplify right side
    161,188.38x = 13,542,348,835.80
  5. Step 5: Solve for x
    x = 13,542,348,835.80/161,188.38
  6. Step 6: Final answer
    x = 84,015.66

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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.