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Finding the Fourth Proportional to 95,649.98, 131,998.07 and 54,813.30

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Solution

The fourth proportional to 95,649.98, 131,998.07 and 54,813.30 is: 75,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,649.98 : 131,998.07 = 54,813.30 : x
  2. Step 2: Convert to fraction form
    95,649.98/131,998.07 = 54,813.30/x
  3. Step 3: Cross multiply
    95,649.98x = 131,998.07 × 54,813.30
  4. Step 4: Simplify right side
    95,649.98x = 7,235,249,452.37
  5. Step 5: Solve for x
    x = 7,235,249,452.37/95,649.98
  6. Step 6: Final answer
    x = 75,642.98

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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.