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Finding the Fourth Proportional to 150,206.99, 207,271.46 and 89,765.60

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Solution

The fourth proportional to 150,206.99, 207,271.46 and 89,765.60 is: 123,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,206.99 : 207,271.46 = 89,765.60 : x
  2. Step 2: Convert to fraction form
    150,206.99/207,271.46 = 89,765.60/x
  3. Step 3: Cross multiply
    150,206.99x = 207,271.46 × 89,765.60
  4. Step 4: Simplify right side
    150,206.99x = 18,605,845,933.42
  5. Step 5: Solve for x
    x = 18,605,845,933.42/150,206.99
  6. Step 6: Final answer
    x = 123,868.05

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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.