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Finding the Fourth Proportional to 247,046.60, 340,924.02 and 133,869.32

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Solution

The fourth proportional to 247,046.60, 340,924.02 and 133,869.32 is: 184,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,046.60 : 340,924.02 = 133,869.32 : x
  2. Step 2: Convert to fraction form
    247,046.60/340,924.02 = 133,869.32/x
  3. Step 3: Cross multiply
    247,046.60x = 340,924.02 × 133,869.32
  4. Step 4: Simplify right side
    247,046.60x = 45,639,266,729.07
  5. Step 5: Solve for x
    x = 45,639,266,729.07/247,046.60
  6. Step 6: Final answer
    x = 184,739.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.