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Finding the Fourth Proportional to 95,478.76, 143,221.74 and 36,303.40

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Solution

The fourth proportional to 95,478.76, 143,221.74 and 36,303.40 is: 54,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,478.76 : 143,221.74 = 36,303.40 : x
  2. Step 2: Convert to fraction form
    95,478.76/143,221.74 = 36,303.40/x
  3. Step 3: Cross multiply
    95,478.76x = 143,221.74 × 36,303.40
  4. Step 4: Simplify right side
    95,478.76x = 5,199,436,115.92
  5. Step 5: Solve for x
    x = 5,199,436,115.92/95,478.76
  6. Step 6: Final answer
    x = 54,456.47

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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.