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Finding the Fourth Proportional to 95,864,489.40, 143,796,734.10 and 65,253,487.80

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Solution

The fourth proportional to 95,864,489.40, 143,796,734.10 and 65,253,487.80 is: 97,880,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,864,489.40 : 143,796,734.10 = 65,253,487.80 : x
  2. Step 2: Convert to fraction form
    95,864,489.40/143,796,734.10 = 65,253,487.80/x
  3. Step 3: Cross multiply
    95,864,489.40x = 143,796,734.10 × 65,253,487.80
  4. Step 4: Simplify right side
    95,864,489.40x = 9,383,238,434,274,194
  5. Step 5: Solve for x
    x = 9,383,238,434,274,194/95,864,489.40
  6. Step 6: Final answer
    x = 97,880,231.70

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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.