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Finding the Fourth Proportional to 133,382.76, 199,852 and 93,856.83

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Solution

The fourth proportional to 133,382.76, 199,852 and 93,856.83 is: 140,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,382.76 : 199,852 = 93,856.83 : x
  2. Step 2: Convert to fraction form
    133,382.76/199,852 = 93,856.83/x
  3. Step 3: Cross multiply
    133,382.76x = 199,852 × 93,856.83
  4. Step 4: Simplify right side
    133,382.76x = 18,757,475,189.16
  5. Step 5: Solve for x
    x = 18,757,475,189.16/133,382.76
  6. Step 6: Final answer
    x = 140,628.93

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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.