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Finding the Fourth Proportional to 44,293,679.80, 66,449,850.90 and 18,721,526.20

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Solution

The fourth proportional to 44,293,679.80, 66,449,850.90 and 18,721,526.20 is: 28,086,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,293,679.80 : 66,449,850.90 = 18,721,526.20 : x
  2. Step 2: Convert to fraction form
    44,293,679.80/66,449,850.90 = 18,721,526.20/x
  3. Step 3: Cross multiply
    44,293,679.80x = 66,449,850.90 × 18,721,526.20
  4. Step 4: Simplify right side
    44,293,679.80x = 1,244,042,624,610,443.50
  5. Step 5: Solve for x
    x = 1,244,042,624,610,443.50/44,293,679.80
  6. Step 6: Final answer
    x = 28,086,233.30

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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.