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Finding the Fourth Proportional to 53,607,893.44, 73,978,836.96 and 29,161,549.12

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Solution

The fourth proportional to 53,607,893.44, 73,978,836.96 and 29,161,549.12 is: 40,242,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,607,893.44 : 73,978,836.96 = 29,161,549.12 : x
  2. Step 2: Convert to fraction form
    53,607,893.44/73,978,836.96 = 29,161,549.12/x
  3. Step 3: Cross multiply
    53,607,893.44x = 73,978,836.96 × 29,161,549.12
  4. Step 4: Simplify right side
    53,607,893.44x = 2,157,337,487,849,511.25
  5. Step 5: Solve for x
    x = 2,157,337,487,849,511.25/53,607,893.44
  6. Step 6: Final answer
    x = 40,242,907.33

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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.