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Finding the Fourth Proportional to 63,838.76, 95,842.90 and 54,538.52

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Solution

The fourth proportional to 63,838.76, 95,842.90 and 54,538.52 is: 81,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,838.76 : 95,842.90 = 54,538.52 : x
  2. Step 2: Convert to fraction form
    63,838.76/95,842.90 = 54,538.52/x
  3. Step 3: Cross multiply
    63,838.76x = 95,842.90 × 54,538.52
  4. Step 4: Simplify right side
    63,838.76x = 5,227,129,918.51
  5. Step 5: Solve for x
    x = 5,227,129,918.51/63,838.76
  6. Step 6: Final answer
    x = 81,880.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.