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Finding the Fourth Proportional to 44,668,822.40, 67,003,233.60 and 19,112,415.20

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Solution

The fourth proportional to 44,668,822.40, 67,003,233.60 and 19,112,415.20 is: 28,668,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,668,822.40 : 67,003,233.60 = 19,112,415.20 : x
  2. Step 2: Convert to fraction form
    44,668,822.40/67,003,233.60 = 19,112,415.20/x
  3. Step 3: Cross multiply
    44,668,822.40x = 67,003,233.60 × 19,112,415.20
  4. Step 4: Simplify right side
    44,668,822.40x = 1,280,593,620,305,790.75
  5. Step 5: Solve for x
    x = 1,280,593,620,305,790.75/44,668,822.40
  6. Step 6: Final answer
    x = 28,668,622.80

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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.