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Finding the Fourth Proportional to 73,707.36, 101,715.31 and 41,875.57

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Solution

The fourth proportional to 73,707.36, 101,715.31 and 41,875.57 is: 57,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,707.36 : 101,715.31 = 41,875.57 : x
  2. Step 2: Convert to fraction form
    73,707.36/101,715.31 = 41,875.57/x
  3. Step 3: Cross multiply
    73,707.36x = 101,715.31 × 41,875.57
  4. Step 4: Simplify right side
    73,707.36x = 4,259,386,583.98
  5. Step 5: Solve for x
    x = 4,259,386,583.98/73,707.36
  6. Step 6: Final answer
    x = 57,787.81

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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.