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Finding the Fourth Proportional to 95,437.72, 143,048.58 and 48,591.64

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Solution

The fourth proportional to 95,437.72, 143,048.58 and 48,591.64 is: 72,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,437.72 : 143,048.58 = 48,591.64 : x
  2. Step 2: Convert to fraction form
    95,437.72/143,048.58 = 48,591.64/x
  3. Step 3: Cross multiply
    95,437.72x = 143,048.58 × 48,591.64
  4. Step 4: Simplify right side
    95,437.72x = 6,950,965,101.87
  5. Step 5: Solve for x
    x = 6,950,965,101.87/95,437.72
  6. Step 6: Final answer
    x = 72,832.47

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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.