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Finding the Fourth Proportional to 73,641.34, 101,621.43 and 41,806.06

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Solution

The fourth proportional to 73,641.34, 101,621.43 and 41,806.06 is: 57,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.34 : 101,621.43 = 41,806.06 : x
  2. Step 2: Convert to fraction form
    73,641.34/101,621.43 = 41,806.06/x
  3. Step 3: Cross multiply
    73,641.34x = 101,621.43 × 41,806.06
  4. Step 4: Simplify right side
    73,641.34x = 4,248,391,599.87
  5. Step 5: Solve for x
    x = 4,248,391,599.87/73,641.34
  6. Step 6: Final answer
    x = 57,690.31

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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.