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Finding the Fourth Proportional to 365,821.86, 548,596.44 and 125,868.66

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Solution

The fourth proportional to 365,821.86, 548,596.44 and 125,868.66 is: 188,756.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,821.86 : 548,596.44 = 125,868.66 : x
  2. Step 2: Convert to fraction form
    365,821.86/548,596.44 = 125,868.66/x
  3. Step 3: Cross multiply
    365,821.86x = 548,596.44 × 125,868.66
  4. Step 4: Simplify right side
    365,821.86x = 69,051,098,783.57
  5. Step 5: Solve for x
    x = 69,051,098,783.57/365,821.86
  6. Step 6: Final answer
    x = 188,756.08

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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.