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Finding the Fourth Proportional to 192,873.69, 288,137.52 and 124,851.51

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Solution

The fourth proportional to 192,873.69, 288,137.52 and 124,851.51 is: 186,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,873.69 : 288,137.52 = 124,851.51 : x
  2. Step 2: Convert to fraction form
    192,873.69/288,137.52 = 124,851.51/x
  3. Step 3: Cross multiply
    192,873.69x = 288,137.52 × 124,851.51
  4. Step 4: Simplify right side
    192,873.69x = 35,974,404,459.66
  5. Step 5: Solve for x
    x = 35,974,404,459.66/192,873.69
  6. Step 6: Final answer
    x = 186,517.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.