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Finding the Fourth Proportional to 200,140.71, 300,247.44 and 94,958.70

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Solution

The fourth proportional to 200,140.71, 300,247.44 and 94,958.70 is: 142,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,140.71 : 300,247.44 = 94,958.70 : x
  2. Step 2: Convert to fraction form
    200,140.71/300,247.44 = 94,958.70/x
  3. Step 3: Cross multiply
    200,140.71x = 300,247.44 × 94,958.70
  4. Step 4: Simplify right side
    200,140.71x = 28,511,106,580.73
  5. Step 5: Solve for x
    x = 28,511,106,580.73/200,140.71
  6. Step 6: Final answer
    x = 142,455.31

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1.5x scale

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.