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Finding the Fourth Proportional to 150,274.56, 207,401.68 and 85,743.48

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Solution

The fourth proportional to 150,274.56, 207,401.68 and 85,743.48 is: 118,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,274.56 : 207,401.68 = 85,743.48 : x
  2. Step 2: Convert to fraction form
    150,274.56/207,401.68 = 85,743.48/x
  3. Step 3: Cross multiply
    150,274.56x = 207,401.68 × 85,743.48
  4. Step 4: Simplify right side
    150,274.56x = 17,783,341,801.05
  5. Step 5: Solve for x
    x = 17,783,341,801.05/150,274.56
  6. Step 6: Final answer
    x = 118,339.00

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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.