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Finding the Fourth Proportional to 66,194,584.80, 99,291,877.20 and 37,496,770.80

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Solution

The fourth proportional to 66,194,584.80, 99,291,877.20 and 37,496,770.80 is: 56,245,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194,584.80 : 99,291,877.20 = 37,496,770.80 : x
  2. Step 2: Convert to fraction form
    66,194,584.80/99,291,877.20 = 37,496,770.80/x
  3. Step 3: Cross multiply
    66,194,584.80x = 99,291,877.20 × 37,496,770.80
  4. Step 4: Simplify right side
    66,194,584.80x = 3,723,124,761,670,145.50
  5. Step 5: Solve for x
    x = 3,723,124,761,670,145.50/66,194,584.80
  6. Step 6: Final answer
    x = 56,245,156.20

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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.