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Finding the Fourth Proportional to 150,434.96, 207,600.36 and 83,366.96

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Solution

The fourth proportional to 150,434.96, 207,600.36 and 83,366.96 is: 115,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,434.96 : 207,600.36 = 83,366.96 : x
  2. Step 2: Convert to fraction form
    150,434.96/207,600.36 = 83,366.96/x
  3. Step 3: Cross multiply
    150,434.96x = 207,600.36 × 83,366.96
  4. Step 4: Simplify right side
    150,434.96x = 17,307,010,908.11
  5. Step 5: Solve for x
    x = 17,307,010,908.11/150,434.96
  6. Step 6: Final answer
    x = 115,046.47

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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.