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Finding the Fourth Proportional to 73,893.16, 101,840.70 and 55,945.16

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Solution

The fourth proportional to 73,893.16, 101,840.70 and 55,945.16 is: 77,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,893.16 : 101,840.70 = 55,945.16 : x
  2. Step 2: Convert to fraction form
    73,893.16/101,840.70 = 55,945.16/x
  3. Step 3: Cross multiply
    73,893.16x = 101,840.70 × 55,945.16
  4. Step 4: Simplify right side
    73,893.16x = 5,697,494,256.01
  5. Step 5: Solve for x
    x = 5,697,494,256.01/73,893.16
  6. Step 6: Final answer
    x = 77,104.49

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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.