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Finding the Fourth Proportional to 83,895,093.60, 125,842,640.40 and 26,404,987.20

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Solution

The fourth proportional to 83,895,093.60, 125,842,640.40 and 26,404,987.20 is: 39,607,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,895,093.60 : 125,842,640.40 = 26,404,987.20 : x
  2. Step 2: Convert to fraction form
    83,895,093.60/125,842,640.40 = 26,404,987.20/x
  3. Step 3: Cross multiply
    83,895,093.60x = 125,842,640.40 × 26,404,987.20
  4. Step 4: Simplify right side
    83,895,093.60x = 3,322,873,308,976,203
  5. Step 5: Solve for x
    x = 3,322,873,308,976,203/83,895,093.60
  6. Step 6: Final answer
    x = 39,607,480.80

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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.