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Finding the Fourth Proportional to 111,943.78, 167,915.70 and 37,043.80

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Solution

The fourth proportional to 111,943.78, 167,915.70 and 37,043.80 is: 55,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.78 : 167,915.70 = 37,043.80 : x
  2. Step 2: Convert to fraction form
    111,943.78/167,915.70 = 37,043.80/x
  3. Step 3: Cross multiply
    111,943.78x = 167,915.70 × 37,043.80
  4. Step 4: Simplify right side
    111,943.78x = 6,220,235,607.66
  5. Step 5: Solve for x
    x = 6,220,235,607.66/111,943.78
  6. Step 6: Final answer
    x = 55,565.71

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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.