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Finding the Fourth Proportional to 146,167.86, 201,711.33 and 79,099.86

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Solution

The fourth proportional to 146,167.86, 201,711.33 and 79,099.86 is: 109,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167.86 : 201,711.33 = 79,099.86 : x
  2. Step 2: Convert to fraction form
    146,167.86/201,711.33 = 79,099.86/x
  3. Step 3: Cross multiply
    146,167.86x = 201,711.33 × 79,099.86
  4. Step 4: Simplify right side
    146,167.86x = 15,955,337,963.41
  5. Step 5: Solve for x
    x = 15,955,337,963.41/146,167.86
  6. Step 6: Final answer
    x = 109,157.64

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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.