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Finding the Fourth Proportional to 204,030.70, 306,046.05 and 70,924.41

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Solution

The fourth proportional to 204,030.70, 306,046.05 and 70,924.41 is: 106,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.70 : 306,046.05 = 70,924.41 : x
  2. Step 2: Convert to fraction form
    204,030.70/306,046.05 = 70,924.41/x
  3. Step 3: Cross multiply
    204,030.70x = 306,046.05 × 70,924.41
  4. Step 4: Simplify right side
    204,030.70x = 21,706,135,529.08
  5. Step 5: Solve for x
    x = 21,706,135,529.08/204,030.70
  6. Step 6: Final answer
    x = 106,386.62

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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.