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Finding the Fourth Proportional to 71,599.65, 98,785.22 and 41,373.94

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Solution

The fourth proportional to 71,599.65, 98,785.22 and 41,373.94 is: 57,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599.65 : 98,785.22 = 41,373.94 : x
  2. Step 2: Convert to fraction form
    71,599.65/98,785.22 = 41,373.94/x
  3. Step 3: Cross multiply
    71,599.65x = 98,785.22 × 41,373.94
  4. Step 4: Simplify right side
    71,599.65x = 4,087,133,729.28
  5. Step 5: Solve for x
    x = 4,087,133,729.28/71,599.65
  6. Step 6: Final answer
    x = 57,083.16

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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.