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Finding the Fourth Proportional to 247,046.90, 370,743.15 and 106,906.10

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Solution

The fourth proportional to 247,046.90, 370,743.15 and 106,906.10 is: 160,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,046.90 : 370,743.15 = 106,906.10 : x
  2. Step 2: Convert to fraction form
    247,046.90/370,743.15 = 106,906.10/x
  3. Step 3: Cross multiply
    247,046.90x = 370,743.15 × 106,906.10
  4. Step 4: Simplify right side
    247,046.90x = 39,634,704,268.22
  5. Step 5: Solve for x
    x = 39,634,704,268.22/247,046.90
  6. Step 6: Final answer
    x = 160,433.93

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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.