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Finding the Fourth Proportional to 66,802,573.20, 100,237,037.40 and 26,414,374.80

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Solution

The fourth proportional to 66,802,573.20, 100,237,037.40 and 26,414,374.80 is: 39,634,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802,573.20 : 100,237,037.40 = 26,414,374.80 : x
  2. Step 2: Convert to fraction form
    66,802,573.20/100,237,037.40 = 26,414,374.80/x
  3. Step 3: Cross multiply
    66,802,573.20x = 100,237,037.40 × 26,414,374.80
  4. Step 4: Simplify right side
    66,802,573.20x = 2,647,698,674,725,218
  5. Step 5: Solve for x
    x = 2,647,698,674,725,218/66,802,573.20
  6. Step 6: Final answer
    x = 39,634,680.94

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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.