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Finding the Fourth Proportional to 122,136.97, 183,196.70 and 37,894.97

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Solution

The fourth proportional to 122,136.97, 183,196.70 and 37,894.97 is: 56,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,136.97 : 183,196.70 = 37,894.97 : x
  2. Step 2: Convert to fraction form
    122,136.97/183,196.70 = 37,894.97/x
  3. Step 3: Cross multiply
    122,136.97x = 183,196.70 × 37,894.97
  4. Step 4: Simplify right side
    122,136.97x = 6,942,233,261.12
  5. Step 5: Solve for x
    x = 6,942,233,261.12/122,136.97
  6. Step 6: Final answer
    x = 56,839.74

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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.