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Finding the Fourth Proportional to 271,598,516.79, 407,397,906.40 and 89,845,694.79

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Solution

The fourth proportional to 271,598,516.79, 407,397,906.40 and 89,845,694.79 is: 134,768,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,598,516.79 : 407,397,906.40 = 89,845,694.79 : x
  2. Step 2: Convert to fraction form
    271,598,516.79/407,397,906.40 = 89,845,694.79/x
  3. Step 3: Cross multiply
    271,598,516.79x = 407,397,906.40 × 89,845,694.79
  4. Step 4: Simplify right side
    271,598,516.79x = 36,602,947,956,499,392
  5. Step 5: Solve for x
    x = 36,602,947,956,499,392/271,598,516.79
  6. Step 6: Final answer
    x = 134,768,585.59

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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.