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Finding the Fourth Proportional to 73,779.79, 101,805.83 and 41,945.17

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Solution

The fourth proportional to 73,779.79, 101,805.83 and 41,945.17 is: 57,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,779.79 : 101,805.83 = 41,945.17 : x
  2. Step 2: Convert to fraction form
    73,779.79/101,805.83 = 41,945.17/x
  3. Step 3: Cross multiply
    73,779.79x = 101,805.83 × 41,945.17
  4. Step 4: Simplify right side
    73,779.79x = 4,270,262,442.17
  5. Step 5: Solve for x
    x = 4,270,262,442.17/73,779.79
  6. Step 6: Final answer
    x = 57,878.49

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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.