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Finding the Fourth Proportional to 95,698.88, 143,500.05 and 55,730.78

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Solution

The fourth proportional to 95,698.88, 143,500.05 and 55,730.78 is: 83,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,698.88 : 143,500.05 = 55,730.78 : x
  2. Step 2: Convert to fraction form
    95,698.88/143,500.05 = 55,730.78/x
  3. Step 3: Cross multiply
    95,698.88x = 143,500.05 × 55,730.78
  4. Step 4: Simplify right side
    95,698.88x = 7,997,369,716.54
  5. Step 5: Solve for x
    x = 7,997,369,716.54/95,698.88
  6. Step 6: Final answer
    x = 83,568.06

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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.