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Finding the Fourth Proportional to 69,870.92, 96,406.92 and 41,571.08

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Solution

The fourth proportional to 69,870.92, 96,406.92 and 41,571.08 is: 57,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,870.92 : 96,406.92 = 41,571.08 : x
  2. Step 2: Convert to fraction form
    69,870.92/96,406.92 = 41,571.08/x
  3. Step 3: Cross multiply
    69,870.92x = 96,406.92 × 41,571.08
  4. Step 4: Simplify right side
    69,870.92x = 4,007,739,783.87
  5. Step 5: Solve for x
    x = 4,007,739,783.87/69,870.92
  6. Step 6: Final answer
    x = 57,359.20

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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.