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Finding the Fourth Proportional to 271,298,416.80, 406,972,508.40 and 89,545,994.40

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Solution

The fourth proportional to 271,298,416.80, 406,972,508.40 and 89,545,994.40 is: 134,327,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,298,416.80 : 406,972,508.40 = 89,545,994.40 : x
  2. Step 2: Convert to fraction form
    271,298,416.80/406,972,508.40 = 89,545,994.40/x
  3. Step 3: Cross multiply
    271,298,416.80x = 406,972,508.40 × 89,545,994.40
  4. Step 4: Simplify right side
    271,298,416.80x = 36,442,757,958,140,352
  5. Step 5: Solve for x
    x = 36,442,757,958,140,352/271,298,416.80
  6. Step 6: Final answer
    x = 134,327,204.66

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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.