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Finding the Fourth Proportional to 95,435.70, 131,715.63 and 68,666.82

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Solution

The fourth proportional to 95,435.70, 131,715.63 and 68,666.82 is: 94,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,435.70 : 131,715.63 = 68,666.82 : x
  2. Step 2: Convert to fraction form
    95,435.70/131,715.63 = 68,666.82/x
  3. Step 3: Cross multiply
    95,435.70x = 131,715.63 × 68,666.82
  4. Step 4: Simplify right side
    95,435.70x = 9,044,493,456.40
  5. Step 5: Solve for x
    x = 9,044,493,456.40/95,435.70
  6. Step 6: Final answer
    x = 94,770.55

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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.