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Finding the Fourth Proportional to 95,611.44, 143,392.80 and 67,792.80

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Solution

The fourth proportional to 95,611.44, 143,392.80 and 67,792.80 is: 101,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,611.44 : 143,392.80 = 67,792.80 : x
  2. Step 2: Convert to fraction form
    95,611.44/143,392.80 = 67,792.80/x
  3. Step 3: Cross multiply
    95,611.44x = 143,392.80 × 67,792.80
  4. Step 4: Simplify right side
    95,611.44x = 9,720,999,411.84
  5. Step 5: Solve for x
    x = 9,720,999,411.84/95,611.44
  6. Step 6: Final answer
    x = 101,671.93

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1.5x scale

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.