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Finding the Fourth Proportional to 74,652,452.80, 111,961,874.40 and 26,783,396.80

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Solution

The fourth proportional to 74,652,452.80, 111,961,874.40 and 26,783,396.80 is: 40,169,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,652,452.80 : 111,961,874.40 = 26,783,396.80 : x
  2. Step 2: Convert to fraction form
    74,652,452.80/111,961,874.40 = 26,783,396.80/x
  3. Step 3: Cross multiply
    74,652,452.80x = 111,961,874.40 × 26,783,396.80
  4. Step 4: Simplify right side
    74,652,452.80x = 2,998,719,308,526,962
  5. Step 5: Solve for x
    x = 2,998,719,308,526,962/74,652,452.80
  6. Step 6: Final answer
    x = 40,169,066.07

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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.