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Finding the Fourth Proportional to 74,449.70, 103,996.30 and 74,449.70

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Solution

The fourth proportional to 74,449.70, 103,996.30 and 74,449.70 is: 103,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.70 : 103,996.30 = 74,449.70 : x
  2. Step 2: Convert to fraction form
    74,449.70/103,996.30 = 74,449.70/x
  3. Step 3: Cross multiply
    74,449.70x = 103,996.30 × 74,449.70
  4. Step 4: Simplify right side
    74,449.70x = 7,742,493,336.11
  5. Step 5: Solve for x
    x = 7,742,493,336.11/74,449.70
  6. Step 6: Final answer
    x = 103,996.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.