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Finding the Fourth Proportional to 95,911.15, 143,702.70 and 60,809.80

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Solution

The fourth proportional to 95,911.15, 143,702.70 and 60,809.80 is: 91,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,911.15 : 143,702.70 = 60,809.80 : x
  2. Step 2: Convert to fraction form
    95,911.15/143,702.70 = 60,809.80/x
  3. Step 3: Cross multiply
    95,911.15x = 143,702.70 × 60,809.80
  4. Step 4: Simplify right side
    95,911.15x = 8,738,532,446.46
  5. Step 5: Solve for x
    x = 8,738,532,446.46/95,911.15
  6. Step 6: Final answer
    x = 91,110.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.