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Finding the Fourth Proportional to 95,571.30, 143,375.10 and 31,533.33

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Solution

The fourth proportional to 95,571.30, 143,375.10 and 31,533.33 is: 47,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,571.30 : 143,375.10 = 31,533.33 : x
  2. Step 2: Convert to fraction form
    95,571.30/143,375.10 = 31,533.33/x
  3. Step 3: Cross multiply
    95,571.30x = 143,375.10 × 31,533.33
  4. Step 4: Simplify right side
    95,571.30x = 4,521,094,342.08
  5. Step 5: Solve for x
    x = 4,521,094,342.08/95,571.30
  6. Step 6: Final answer
    x = 47,305.98

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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.