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Finding the Fourth Proportional to 73,326.54, 101,190.69 and 39,792.54

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Solution

The fourth proportional to 73,326.54, 101,190.69 and 39,792.54 is: 54,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,326.54 : 101,190.69 = 39,792.54 : x
  2. Step 2: Convert to fraction form
    73,326.54/101,190.69 = 39,792.54/x
  3. Step 3: Cross multiply
    73,326.54x = 101,190.69 × 39,792.54
  4. Step 4: Simplify right side
    73,326.54x = 4,026,634,579.45
  5. Step 5: Solve for x
    x = 4,026,634,579.45/73,326.54
  6. Step 6: Final answer
    x = 54,913.74

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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.