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Finding the Fourth Proportional to 124,359.39, 186,539.09 and 30,865.14

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Solution

The fourth proportional to 124,359.39, 186,539.09 and 30,865.14 is: 46,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,359.39 : 186,539.09 = 30,865.14 : x
  2. Step 2: Convert to fraction form
    124,359.39/186,539.09 = 30,865.14/x
  3. Step 3: Cross multiply
    124,359.39x = 186,539.09 × 30,865.14
  4. Step 4: Simplify right side
    124,359.39x = 5,757,554,974.00
  5. Step 5: Solve for x
    x = 5,757,554,974.00/124,359.39
  6. Step 6: Final answer
    x = 46,297.71

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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.