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Finding the Fourth Proportional to 95,709.80, 132,081.06 and 53,270.12

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Solution

The fourth proportional to 95,709.80, 132,081.06 and 53,270.12 is: 73,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,709.80 : 132,081.06 = 53,270.12 : x
  2. Step 2: Convert to fraction form
    95,709.80/132,081.06 = 53,270.12/x
  3. Step 3: Cross multiply
    95,709.80x = 132,081.06 × 53,270.12
  4. Step 4: Simplify right side
    95,709.80x = 7,035,973,915.93
  5. Step 5: Solve for x
    x = 7,035,973,915.93/95,709.80
  6. Step 6: Final answer
    x = 73,513.62

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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.