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Finding the Fourth Proportional to 95,697.88, 143,498.55 and 55,729.78

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Solution

The fourth proportional to 95,697.88, 143,498.55 and 55,729.78 is: 83,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,697.88 : 143,498.55 = 55,729.78 : x
  2. Step 2: Convert to fraction form
    95,697.88/143,498.55 = 55,729.78/x
  3. Step 3: Cross multiply
    95,697.88x = 143,498.55 × 55,729.78
  4. Step 4: Simplify right side
    95,697.88x = 7,997,142,621.82
  5. Step 5: Solve for x
    x = 7,997,142,621.82/95,697.88
  6. Step 6: Final answer
    x = 83,566.56

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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.