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Finding the Fourth Proportional to 95,440.78, 143,097.99 and 45,528.58

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Solution

The fourth proportional to 95,440.78, 143,097.99 and 45,528.58 is: 68,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,440.78 : 143,097.99 = 45,528.58 : x
  2. Step 2: Convert to fraction form
    95,440.78/143,097.99 = 45,528.58/x
  3. Step 3: Cross multiply
    95,440.78x = 143,097.99 × 45,528.58
  4. Step 4: Simplify right side
    95,440.78x = 6,515,048,293.69
  5. Step 5: Solve for x
    x = 6,515,048,293.69/95,440.78
  6. Step 6: Final answer
    x = 68,262.73

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1.5x scale

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.