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Finding the Fourth Proportional to 86,297,857.60, 129,446,786.40 and 22,472,449.60

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Solution

The fourth proportional to 86,297,857.60, 129,446,786.40 and 22,472,449.60 is: 33,708,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,297,857.60 : 129,446,786.40 = 22,472,449.60 : x
  2. Step 2: Convert to fraction form
    86,297,857.60/129,446,786.40 = 22,472,449.60/x
  3. Step 3: Cross multiply
    86,297,857.60x = 129,446,786.40 × 22,472,449.60
  4. Step 4: Simplify right side
    86,297,857.60x = 2,908,986,383,255,966
  5. Step 5: Solve for x
    x = 2,908,986,383,255,966/86,297,857.60
  6. Step 6: Final answer
    x = 33,708,674.40

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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.