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Finding the Fourth Proportional to 150,200.37, 207,275.49 and 86,536.80

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Solution

The fourth proportional to 150,200.37, 207,275.49 and 86,536.80 is: 119,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,200.37 : 207,275.49 = 86,536.80 : x
  2. Step 2: Convert to fraction form
    150,200.37/207,275.49 = 86,536.80/x
  3. Step 3: Cross multiply
    150,200.37x = 207,275.49 × 86,536.80
  4. Step 4: Simplify right side
    150,200.37x = 17,936,957,623.03
  5. Step 5: Solve for x
    x = 17,936,957,623.03/150,200.37
  6. Step 6: Final answer
    x = 119,420.20

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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.