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Finding the Fourth Proportional to 95,356.80, 143,035.20 and 25,243.20

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Solution

The fourth proportional to 95,356.80, 143,035.20 and 25,243.20 is: 37,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,356.80 : 143,035.20 = 25,243.20 : x
  2. Step 2: Convert to fraction form
    95,356.80/143,035.20 = 25,243.20/x
  3. Step 3: Cross multiply
    95,356.80x = 143,035.20 × 25,243.20
  4. Step 4: Simplify right side
    95,356.80x = 3,610,666,160.64
  5. Step 5: Solve for x
    x = 3,610,666,160.64/95,356.80
  6. Step 6: Final answer
    x = 37,864.80

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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.