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Finding the Fourth Proportional to 162,950,678.70, 224,867,452.14 and 89,611,820.70

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Solution

The fourth proportional to 162,950,678.70, 224,867,452.14 and 89,611,820.70 is: 123,661,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,950,678.70 : 224,867,452.14 = 89,611,820.70 : x
  2. Step 2: Convert to fraction form
    162,950,678.70/224,867,452.14 = 89,611,820.70/x
  3. Step 3: Cross multiply
    162,950,678.70x = 224,867,452.14 × 89,611,820.70
  4. Step 4: Simplify right side
    162,950,678.70x = 20,150,781,802,435,512
  5. Step 5: Solve for x
    x = 20,150,781,802,435,512/162,950,678.70
  6. Step 6: Final answer
    x = 123,661,846.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.