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Finding the Fourth Proportional to 245,707.62, 368,520.31 and 68,232.57

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Solution

The fourth proportional to 245,707.62, 368,520.31 and 68,232.57 is: 102,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,707.62 : 368,520.31 = 68,232.57 : x
  2. Step 2: Convert to fraction form
    245,707.62/368,520.31 = 68,232.57/x
  3. Step 3: Cross multiply
    245,707.62x = 368,520.31 × 68,232.57
  4. Step 4: Simplify right side
    245,707.62x = 25,145,087,848.50
  5. Step 5: Solve for x
    x = 25,145,087,848.50/245,707.62
  6. Step 6: Final answer
    x = 102,337.44

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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.