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Finding the Fourth Proportional to 271,298,430.80, 406,972,529.40 and 89,546,008.40

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Solution

The fourth proportional to 271,298,430.80, 406,972,529.40 and 89,546,008.40 is: 134,327,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,298,430.80 : 406,972,529.40 = 89,546,008.40 : x
  2. Step 2: Convert to fraction form
    271,298,430.80/406,972,529.40 = 89,546,008.40/x
  3. Step 3: Cross multiply
    271,298,430.80x = 406,972,529.40 × 89,546,008.40
  4. Step 4: Simplify right side
    271,298,430.80x = 36,442,765,536,221,648
  5. Step 5: Solve for x
    x = 36,442,765,536,221,648/271,298,430.80
  6. Step 6: Final answer
    x = 134,327,225.66

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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.