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Finding the Fourth Proportional to 150,034.49, 207,122.88 and 115,965.98

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Solution

The fourth proportional to 150,034.49, 207,122.88 and 115,965.98 is: 160,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,034.49 : 207,122.88 = 115,965.98 : x
  2. Step 2: Convert to fraction form
    150,034.49/207,122.88 = 115,965.98/x
  3. Step 3: Cross multiply
    150,034.49x = 207,122.88 × 115,965.98
  4. Step 4: Simplify right side
    150,034.49x = 24,019,207,671.64
  5. Step 5: Solve for x
    x = 24,019,207,671.64/150,034.49
  6. Step 6: Final answer
    x = 160,091.25

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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.