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Finding the Fourth Proportional to 271,598,511.85, 407,397,898.99 and 89,845,689.85

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Solution

The fourth proportional to 271,598,511.85, 407,397,898.99 and 89,845,689.85 is: 134,768,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,598,511.85 : 407,397,898.99 = 89,845,689.85 : x
  2. Step 2: Convert to fraction form
    271,598,511.85/407,397,898.99 = 89,845,689.85/x
  3. Step 3: Cross multiply
    271,598,511.85x = 407,397,898.99 × 89,845,689.85
  4. Step 4: Simplify right side
    271,598,511.85x = 36,602,945,277,290,976
  5. Step 5: Solve for x
    x = 36,602,945,277,290,976/271,598,511.85
  6. Step 6: Final answer
    x = 134,768,578.18

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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.