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Finding the Fourth Proportional to 124,418.97, 186,660.63 and 35,678.97

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Solution

The fourth proportional to 124,418.97, 186,660.63 and 35,678.97 is: 53,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418.97 : 186,660.63 = 35,678.97 : x
  2. Step 2: Convert to fraction form
    124,418.97/186,660.63 = 35,678.97/x
  3. Step 3: Cross multiply
    124,418.97x = 186,660.63 × 35,678.97
  4. Step 4: Simplify right side
    124,418.97x = 6,659,859,017.95
  5. Step 5: Solve for x
    x = 6,659,859,017.95/124,418.97
  6. Step 6: Final answer
    x = 53,527.68

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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.