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Finding the Fourth Proportional to 150,708.80, 207,756.08 and 114,836.56

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Solution

The fourth proportional to 150,708.80, 207,756.08 and 114,836.56 is: 158,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,708.80 : 207,756.08 = 114,836.56 : x
  2. Step 2: Convert to fraction form
    150,708.80/207,756.08 = 114,836.56/x
  3. Step 3: Cross multiply
    150,708.80x = 207,756.08 × 114,836.56
  4. Step 4: Simplify right side
    150,708.80x = 23,857,993,546.28
  5. Step 5: Solve for x
    x = 23,857,993,546.28/150,708.80
  6. Step 6: Final answer
    x = 158,305.25

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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.