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Finding the Fourth Proportional to 71,388,879.80, 107,085,857.63 and 22,860,427.91

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Solution

The fourth proportional to 71,388,879.80, 107,085,857.63 and 22,860,427.91 is: 34,291,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,388,879.80 : 107,085,857.63 = 22,860,427.91 : x
  2. Step 2: Convert to fraction form
    71,388,879.80/107,085,857.63 = 22,860,427.91/x
  3. Step 3: Cross multiply
    71,388,879.80x = 107,085,857.63 × 22,860,427.91
  4. Step 4: Simplify right side
    71,388,879.80x = 2,448,028,527,881,407
  5. Step 5: Solve for x
    x = 2,448,028,527,881,407/71,388,879.80
  6. Step 6: Final answer
    x = 34,291,454.56

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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.