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Finding the Fourth Proportional to 71,606.80, 98,795.14 and 41,381.11

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Solution

The fourth proportional to 71,606.80, 98,795.14 and 41,381.11 is: 57,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,606.80 : 98,795.14 = 41,381.11 : x
  2. Step 2: Convert to fraction form
    71,606.80/98,795.14 = 41,381.11/x
  3. Step 3: Cross multiply
    71,606.80x = 98,795.14 × 41,381.11
  4. Step 4: Simplify right side
    71,606.80x = 4,088,252,555.81
  5. Step 5: Solve for x
    x = 4,088,252,555.81/71,606.80
  6. Step 6: Final answer
    x = 57,093.08

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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.