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Finding the Fourth Proportional to 150,094.92, 207,110.70 and 85,572.48

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Solution

The fourth proportional to 150,094.92, 207,110.70 and 85,572.48 is: 118,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,094.92 : 207,110.70 = 85,572.48 : x
  2. Step 2: Convert to fraction form
    150,094.92/207,110.70 = 85,572.48/x
  3. Step 3: Cross multiply
    150,094.92x = 207,110.70 × 85,572.48
  4. Step 4: Simplify right side
    150,094.92x = 17,722,976,233.54
  5. Step 5: Solve for x
    x = 17,722,976,233.54/150,094.92
  6. Step 6: Final answer
    x = 118,078.45

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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.