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Finding the Fourth Proportional to 66,032,584.80, 99,072,496.80 and 27,705,847.20

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Solution

The fourth proportional to 66,032,584.80, 99,072,496.80 and 27,705,847.20 is: 41,568,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,032,584.80 : 99,072,496.80 = 27,705,847.20 : x
  2. Step 2: Convert to fraction form
    66,032,584.80/99,072,496.80 = 27,705,847.20/x
  3. Step 3: Cross multiply
    66,032,584.80x = 99,072,496.80 × 27,705,847.20
  4. Step 4: Simplify right side
    66,032,584.80x = 2,744,887,458,063,289
  5. Step 5: Solve for x
    x = 2,744,887,458,063,289/66,032,584.80
  6. Step 6: Final answer
    x = 41,568,681.07

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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.