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Finding the Fourth Proportional to 245,708.12, 368,521.07 and 68,233.07

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Solution

The fourth proportional to 245,708.12, 368,521.07 and 68,233.07 is: 102,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,708.12 : 368,521.07 = 68,233.07 : x
  2. Step 2: Convert to fraction form
    245,708.12/368,521.07 = 68,233.07/x
  3. Step 3: Cross multiply
    245,708.12x = 368,521.07 × 68,233.07
  4. Step 4: Simplify right side
    245,708.12x = 25,145,321,782.01
  5. Step 5: Solve for x
    x = 25,145,321,782.01/245,708.12
  6. Step 6: Final answer
    x = 102,338.18

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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.