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Finding the Fourth Proportional to 207,260.60, 310,757.66 and 136,099.16

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Solution

The fourth proportional to 207,260.60, 310,757.66 and 136,099.16 is: 204,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,260.60 : 310,757.66 = 136,099.16 : x
  2. Step 2: Convert to fraction form
    207,260.60/310,757.66 = 136,099.16/x
  3. Step 3: Cross multiply
    207,260.60x = 310,757.66 × 136,099.16
  4. Step 4: Simplify right side
    207,260.60x = 42,293,856,489.57
  5. Step 5: Solve for x
    x = 42,293,856,489.57/207,260.60
  6. Step 6: Final answer
    x = 204,061.25

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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.