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Finding the Fourth Proportional to 150,400.79, 207,553.09 and 83,332.79

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Solution

The fourth proportional to 150,400.79, 207,553.09 and 83,332.79 is: 114,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,400.79 : 207,553.09 = 83,332.79 : x
  2. Step 2: Convert to fraction form
    150,400.79/207,553.09 = 83,332.79/x
  3. Step 3: Cross multiply
    150,400.79x = 207,553.09 × 83,332.79
  4. Step 4: Simplify right side
    150,400.79x = 17,295,976,816.72
  5. Step 5: Solve for x
    x = 17,295,976,816.72/150,400.79
  6. Step 6: Final answer
    x = 114,999.25

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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.