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Finding the Fourth Proportional to 138,096.60, 207,149.22 and 44,603.16

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Solution

The fourth proportional to 138,096.60, 207,149.22 and 44,603.16 is: 66,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,096.60 : 207,149.22 = 44,603.16 : x
  2. Step 2: Convert to fraction form
    138,096.60/207,149.22 = 44,603.16/x
  3. Step 3: Cross multiply
    138,096.60x = 207,149.22 × 44,603.16
  4. Step 4: Simplify right side
    138,096.60x = 9,239,509,803.54
  5. Step 5: Solve for x
    x = 9,239,509,803.54/138,096.60
  6. Step 6: Final answer
    x = 66,906.14

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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.