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Finding the Fourth Proportional to 79,737,999.60, 119,662,986.60 and 34,332,380.40

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Solution

The fourth proportional to 79,737,999.60, 119,662,986.60 and 34,332,380.40 is: 51,522,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,737,999.60 : 119,662,986.60 = 34,332,380.40 : x
  2. Step 2: Convert to fraction form
    79,737,999.60/119,662,986.60 = 34,332,380.40/x
  3. Step 3: Cross multiply
    79,737,999.60x = 119,662,986.60 × 34,332,380.40
  4. Step 4: Simplify right side
    79,737,999.60x = 4,108,315,175,751,302.50
  5. Step 5: Solve for x
    x = 4,108,315,175,751,302.50/79,737,999.60
  6. Step 6: Final answer
    x = 51,522,676.72

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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.