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Finding the Fourth Proportional to 150,213.69, 207,347.04 and 92,896.88

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Solution

The fourth proportional to 150,213.69, 207,347.04 and 92,896.88 is: 128,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,213.69 : 207,347.04 = 92,896.88 : x
  2. Step 2: Convert to fraction form
    150,213.69/207,347.04 = 92,896.88/x
  3. Step 3: Cross multiply
    150,213.69x = 207,347.04 × 92,896.88
  4. Step 4: Simplify right side
    150,213.69x = 19,261,892,056.50
  5. Step 5: Solve for x
    x = 19,261,892,056.50/150,213.69
  6. Step 6: Final answer
    x = 128,229.94

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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.