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Finding the Fourth Proportional to 70,377.36, 105,037.47 and 60,847.52

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Solution

The fourth proportional to 70,377.36, 105,037.47 and 60,847.52 is: 90,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,377.36 : 105,037.47 = 60,847.52 : x
  2. Step 2: Convert to fraction form
    70,377.36/105,037.47 = 60,847.52/x
  3. Step 3: Cross multiply
    70,377.36x = 105,037.47 × 60,847.52
  4. Step 4: Simplify right side
    70,377.36x = 6,391,269,556.57
  5. Step 5: Solve for x
    x = 6,391,269,556.57/70,377.36
  6. Step 6: Final answer
    x = 90,814.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.