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Finding the Fourth Proportional to 150,007.92, 206,876.70 and 124,473.66

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Solution

The fourth proportional to 150,007.92, 206,876.70 and 124,473.66 is: 171,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,007.92 : 206,876.70 = 124,473.66 : x
  2. Step 2: Convert to fraction form
    150,007.92/206,876.70 = 124,473.66/x
  3. Step 3: Cross multiply
    150,007.92x = 206,876.70 × 124,473.66
  4. Step 4: Simplify right side
    150,007.92x = 25,750,700,017.72
  5. Step 5: Solve for x
    x = 25,750,700,017.72/150,007.92
  6. Step 6: Final answer
    x = 171,662.27

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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.