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Finding the Fourth Proportional to 253,789.96, 380,537.38 and 96,030.60

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Solution

The fourth proportional to 253,789.96, 380,537.38 and 96,030.60 is: 143,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,789.96 : 380,537.38 = 96,030.60 : x
  2. Step 2: Convert to fraction form
    253,789.96/380,537.38 = 96,030.60/x
  3. Step 3: Cross multiply
    253,789.96x = 380,537.38 × 96,030.60
  4. Step 4: Simplify right side
    253,789.96x = 36,543,232,923.83
  5. Step 5: Solve for x
    x = 36,543,232,923.83/253,789.96
  6. Step 6: Final answer
    x = 143,990.07

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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.