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Finding the Fourth Proportional to 66,731,573.70, 100,097,360.55 and 23,649,423.30

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Solution

The fourth proportional to 66,731,573.70, 100,097,360.55 and 23,649,423.30 is: 35,474,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,731,573.70 : 100,097,360.55 = 23,649,423.30 : x
  2. Step 2: Convert to fraction form
    66,731,573.70/100,097,360.55 = 23,649,423.30/x
  3. Step 3: Cross multiply
    66,731,573.70x = 100,097,360.55 × 23,649,423.30
  4. Step 4: Simplify right side
    66,731,573.70x = 2,367,244,850,859,671
  5. Step 5: Solve for x
    x = 2,367,244,850,859,671/66,731,573.70
  6. Step 6: Final answer
    x = 35,474,134.95

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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.