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Finding the Fourth Proportional to 73,578.60, 101,535.47 and 41,746.81

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Solution

The fourth proportional to 73,578.60, 101,535.47 and 41,746.81 is: 57,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,578.60 : 101,535.47 = 41,746.81 : x
  2. Step 2: Convert to fraction form
    73,578.60/101,535.47 = 41,746.81/x
  3. Step 3: Cross multiply
    73,578.60x = 101,535.47 × 41,746.81
  4. Step 4: Simplify right side
    73,578.60x = 4,238,781,974.35
  5. Step 5: Solve for x
    x = 4,238,781,974.35/73,578.60
  6. Step 6: Final answer
    x = 57,608.90

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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.