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Finding the Fourth Proportional to 95,591.76, 143,303.80 and 36,388.05

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Solution

The fourth proportional to 95,591.76, 143,303.80 and 36,388.05 is: 54,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,591.76 : 143,303.80 = 36,388.05 : x
  2. Step 2: Convert to fraction form
    95,591.76/143,303.80 = 36,388.05/x
  3. Step 3: Cross multiply
    95,591.76x = 143,303.80 × 36,388.05
  4. Step 4: Simplify right side
    95,591.76x = 5,214,545,839.59
  5. Step 5: Solve for x
    x = 5,214,545,839.59/95,591.76
  6. Step 6: Final answer
    x = 54,550.16

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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.