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Finding the Fourth Proportional to 71,357.76, 107,001.36 and 41,783.04

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Solution

The fourth proportional to 71,357.76, 107,001.36 and 41,783.04 is: 62,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357.76 : 107,001.36 = 41,783.04 : x
  2. Step 2: Convert to fraction form
    71,357.76/107,001.36 = 41,783.04/x
  3. Step 3: Cross multiply
    71,357.76x = 107,001.36 × 41,783.04
  4. Step 4: Simplify right side
    71,357.76x = 4,470,842,104.93
  5. Step 5: Solve for x
    x = 4,470,842,104.93/71,357.76
  6. Step 6: Final answer
    x = 62,653.90

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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.