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Finding the Fourth Proportional to 95,599.81, 143,418.87 and 53,539.72

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Solution

The fourth proportional to 95,599.81, 143,418.87 and 53,539.72 is: 80,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,599.81 : 143,418.87 = 53,539.72 : x
  2. Step 2: Convert to fraction form
    95,599.81/143,418.87 = 53,539.72/x
  3. Step 3: Cross multiply
    95,599.81x = 143,418.87 × 53,539.72
  4. Step 4: Simplify right side
    95,599.81x = 7,678,606,142.52
  5. Step 5: Solve for x
    x = 7,678,606,142.52/95,599.81
  6. Step 6: Final answer
    x = 80,320.31

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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.