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Finding the Fourth Proportional to 95,348.50, 131,605.10 and 65,146.02

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Solution

The fourth proportional to 95,348.50, 131,605.10 and 65,146.02 is: 89,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,348.50 : 131,605.10 = 65,146.02 : x
  2. Step 2: Convert to fraction form
    95,348.50/131,605.10 = 65,146.02/x
  3. Step 3: Cross multiply
    95,348.50x = 131,605.10 × 65,146.02
  4. Step 4: Simplify right side
    95,348.50x = 8,573,548,476.70
  5. Step 5: Solve for x
    x = 8,573,548,476.70/95,348.50
  6. Step 6: Final answer
    x = 89,918.02

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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.