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Finding the Fourth Proportional to 95,689.41, 131,914.50 and 67,307.01

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Solution

The fourth proportional to 95,689.41, 131,914.50 and 67,307.01 is: 92,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,689.41 : 131,914.50 = 67,307.01 : x
  2. Step 2: Convert to fraction form
    95,689.41/131,914.50 = 67,307.01/x
  3. Step 3: Cross multiply
    95,689.41x = 131,914.50 × 67,307.01
  4. Step 4: Simplify right side
    95,689.41x = 8,878,770,570.65
  5. Step 5: Solve for x
    x = 8,878,770,570.65/95,689.41
  6. Step 6: Final answer
    x = 92,787.39

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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.