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Finding the Fourth Proportional to 269,460,439.80, 404,190,659.70 and 96,942,881.40

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Solution

The fourth proportional to 269,460,439.80, 404,190,659.70 and 96,942,881.40 is: 145,414,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,460,439.80 : 404,190,659.70 = 96,942,881.40 : x
  2. Step 2: Convert to fraction form
    269,460,439.80/404,190,659.70 = 96,942,881.40/x
  3. Step 3: Cross multiply
    269,460,439.80x = 404,190,659.70 × 96,942,881.40
  4. Step 4: Simplify right side
    269,460,439.80x = 39,183,407,186,284,864
  5. Step 5: Solve for x
    x = 39,183,407,186,284,864/269,460,439.80
  6. Step 6: Final answer
    x = 145,414,322.10

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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.