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Finding the Fourth Proportional to 71,648,052.60, 107,472,078.90 and 17,795,364.60

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Solution

The fourth proportional to 71,648,052.60, 107,472,078.90 and 17,795,364.60 is: 26,693,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648,052.60 : 107,472,078.90 = 17,795,364.60 : x
  2. Step 2: Convert to fraction form
    71,648,052.60/107,472,078.90 = 17,795,364.60/x
  3. Step 3: Cross multiply
    71,648,052.60x = 107,472,078.90 × 17,795,364.60
  4. Step 4: Simplify right side
    71,648,052.60x = 1,912,504,828,345,467.25
  5. Step 5: Solve for x
    x = 1,912,504,828,345,467.25/71,648,052.60
  6. Step 6: Final answer
    x = 26,693,046.90

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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.