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Finding the Fourth Proportional to 133,972,959.60, 200,959,439.40 and 43,096,548.60

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Solution

The fourth proportional to 133,972,959.60, 200,959,439.40 and 43,096,548.60 is: 64,644,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,972,959.60 : 200,959,439.40 = 43,096,548.60 : x
  2. Step 2: Convert to fraction form
    133,972,959.60/200,959,439.40 = 43,096,548.60/x
  3. Step 3: Cross multiply
    133,972,959.60x = 200,959,439.40 × 43,096,548.60
  4. Step 4: Simplify right side
    133,972,959.60x = 8,660,658,246,730,855
  5. Step 5: Solve for x
    x = 8,660,658,246,730,855/133,972,959.60
  6. Step 6: Final answer
    x = 64,644,822.90

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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.