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Finding the Fourth Proportional to 164,597,630.70, 246,896,446.05 and 82,968,293.10

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Solution

The fourth proportional to 164,597,630.70, 246,896,446.05 and 82,968,293.10 is: 124,452,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,597,630.70 : 246,896,446.05 = 82,968,293.10 : x
  2. Step 2: Convert to fraction form
    164,597,630.70/246,896,446.05 = 82,968,293.10/x
  3. Step 3: Cross multiply
    164,597,630.70x = 246,896,446.05 × 82,968,293.10
  4. Step 4: Simplify right side
    164,597,630.70x = 20,484,576,701,224,736
  5. Step 5: Solve for x
    x = 20,484,576,701,224,736/164,597,630.70
  6. Step 6: Final answer
    x = 124,452,439.65

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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.