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Finding the Fourth Proportional to 95,575.50, 131,731.62 and 65,308.26

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Solution

The fourth proportional to 95,575.50, 131,731.62 and 65,308.26 is: 90,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,575.50 : 131,731.62 = 65,308.26 : x
  2. Step 2: Convert to fraction form
    95,575.50/131,731.62 = 65,308.26/x
  3. Step 3: Cross multiply
    95,575.50x = 131,731.62 × 65,308.26
  4. Step 4: Simplify right side
    95,575.50x = 8,603,162,889.18
  5. Step 5: Solve for x
    x = 8,603,162,889.18/95,575.50
  6. Step 6: Final answer
    x = 90,014.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.