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Finding the Fourth Proportional to 104,697.97, 157,048.61 and 25,812.20

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Solution

The fourth proportional to 104,697.97, 157,048.61 and 25,812.20 is: 38,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,697.97 : 157,048.61 = 25,812.20 : x
  2. Step 2: Convert to fraction form
    104,697.97/157,048.61 = 25,812.20/x
  3. Step 3: Cross multiply
    104,697.97x = 157,048.61 × 25,812.20
  4. Step 4: Simplify right side
    104,697.97x = 4,053,770,394.60
  5. Step 5: Solve for x
    x = 4,053,770,394.60/104,697.97
  6. Step 6: Final answer
    x = 38,718.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.