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Finding the Fourth Proportional to 150,480.77, 207,658.96 and 82,495.42

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Solution

The fourth proportional to 150,480.77, 207,658.96 and 82,495.42 is: 113,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,480.77 : 207,658.96 = 82,495.42 : x
  2. Step 2: Convert to fraction form
    150,480.77/207,658.96 = 82,495.42/x
  3. Step 3: Cross multiply
    150,480.77x = 207,658.96 × 82,495.42
  4. Step 4: Simplify right side
    150,480.77x = 17,130,913,121.96
  5. Step 5: Solve for x
    x = 17,130,913,121.96/150,480.77
  6. Step 6: Final answer
    x = 113,841.21

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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.