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Finding the Fourth Proportional to 31,320,190.60, 43,893,056.60 and 31,320,190.60

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Solution

The fourth proportional to 31,320,190.60, 43,893,056.60 and 31,320,190.60 is: 43,893,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320,190.60 : 43,893,056.60 = 31,320,190.60 : x
  2. Step 2: Convert to fraction form
    31,320,190.60/43,893,056.60 = 31,320,190.60/x
  3. Step 3: Cross multiply
    31,320,190.60x = 43,893,056.60 × 31,320,190.60
  4. Step 4: Simplify right side
    31,320,190.60x = 1,374,738,898,728,588
  5. Step 5: Solve for x
    x = 1,374,738,898,728,588/31,320,190.60
  6. Step 6: Final answer
    x = 43,893,056.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.