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Finding the Fourth Proportional to 150,079.26, 207,109.80 and 83,011.26

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Solution

The fourth proportional to 150,079.26, 207,109.80 and 83,011.26 is: 114,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,079.26 : 207,109.80 = 83,011.26 : x
  2. Step 2: Convert to fraction form
    150,079.26/207,109.80 = 83,011.26/x
  3. Step 3: Cross multiply
    150,079.26x = 207,109.80 × 83,011.26
  4. Step 4: Simplify right side
    150,079.26x = 17,192,445,456.35
  5. Step 5: Solve for x
    x = 17,192,445,456.35/150,079.26
  6. Step 6: Final answer
    x = 114,555.77

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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.