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Finding the Fourth Proportional to 150,213.66, 207,292.95 and 90,597.66

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Solution

The fourth proportional to 150,213.66, 207,292.95 and 90,597.66 is: 125,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,213.66 : 207,292.95 = 90,597.66 : x
  2. Step 2: Convert to fraction form
    150,213.66/207,292.95 = 90,597.66/x
  3. Step 3: Cross multiply
    150,213.66x = 207,292.95 × 90,597.66
  4. Step 4: Simplify right side
    150,213.66x = 18,780,256,204.50
  5. Step 5: Solve for x
    x = 18,780,256,204.50/150,213.66
  6. Step 6: Final answer
    x = 125,023.62

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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.