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Finding the Fourth Proportional to 95,065.30, 131,242.08 and 64,895.59

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Solution

The fourth proportional to 95,065.30, 131,242.08 and 64,895.59 is: 89,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,065.30 : 131,242.08 = 64,895.59 : x
  2. Step 2: Convert to fraction form
    95,065.30/131,242.08 = 64,895.59/x
  3. Step 3: Cross multiply
    95,065.30x = 131,242.08 × 64,895.59
  4. Step 4: Simplify right side
    95,065.30x = 8,517,032,214.43
  5. Step 5: Solve for x
    x = 8,517,032,214.43/95,065.30
  6. Step 6: Final answer
    x = 89,591.39

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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.