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Finding the Fourth Proportional to 174,795.99, 262,005.60 and 84,647.85

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Solution

The fourth proportional to 174,795.99, 262,005.60 and 84,647.85 is: 126,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,795.99 : 262,005.60 = 84,647.85 : x
  2. Step 2: Convert to fraction form
    174,795.99/262,005.60 = 84,647.85/x
  3. Step 3: Cross multiply
    174,795.99x = 262,005.60 × 84,647.85
  4. Step 4: Simplify right side
    174,795.99x = 22,178,210,062.87
  5. Step 5: Solve for x
    x = 22,178,210,062.87/174,795.99
  6. Step 6: Final answer
    x = 126,880.55

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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.