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Finding the Fourth Proportional to 150,358.69, 207,494.99 and 83,290.69

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Solution

The fourth proportional to 150,358.69, 207,494.99 and 83,290.69 is: 114,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,358.69 : 207,494.99 = 83,290.69 : x
  2. Step 2: Convert to fraction form
    150,358.69/207,494.99 = 83,290.69/x
  3. Step 3: Cross multiply
    150,358.69x = 207,494.99 × 83,290.69
  4. Step 4: Simplify right side
    150,358.69x = 17,282,400,578.13
  5. Step 5: Solve for x
    x = 17,282,400,578.13/150,358.69
  6. Step 6: Final answer
    x = 114,941.15

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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.