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Finding the Fourth Proportional to 71,588.83, 98,776.92 and 43,293.91

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Solution

The fourth proportional to 71,588.83, 98,776.92 and 43,293.91 is: 59,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588.83 : 98,776.92 = 43,293.91 : x
  2. Step 2: Convert to fraction form
    71,588.83/98,776.92 = 43,293.91/x
  3. Step 3: Cross multiply
    71,588.83x = 98,776.92 × 43,293.91
  4. Step 4: Simplify right side
    71,588.83x = 4,276,439,084.56
  5. Step 5: Solve for x
    x = 4,276,439,084.56/71,588.83
  6. Step 6: Final answer
    x = 59,736.12

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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.