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Finding the Fourth Proportional to 73,148.50, 100,949.25 and 41,316.58

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Solution

The fourth proportional to 73,148.50, 100,949.25 and 41,316.58 is: 57,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,148.50 : 100,949.25 = 41,316.58 : x
  2. Step 2: Convert to fraction form
    73,148.50/100,949.25 = 41,316.58/x
  3. Step 3: Cross multiply
    73,148.50x = 100,949.25 × 41,316.58
  4. Step 4: Simplify right side
    73,148.50x = 4,170,877,763.57
  5. Step 5: Solve for x
    x = 4,170,877,763.57/73,148.50
  6. Step 6: Final answer
    x = 57,019.32

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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.