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Finding the Fourth Proportional to 240,978.48, 332,569.50 and 133,558.80

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Solution

The fourth proportional to 240,978.48, 332,569.50 and 133,558.80 is: 184,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,978.48 : 332,569.50 = 133,558.80 : x
  2. Step 2: Convert to fraction form
    240,978.48/332,569.50 = 133,558.80/x
  3. Step 3: Cross multiply
    240,978.48x = 332,569.50 × 133,558.80
  4. Step 4: Simplify right side
    240,978.48x = 44,417,583,336.60
  5. Step 5: Solve for x
    x = 44,417,583,336.60/240,978.48
  6. Step 6: Final answer
    x = 184,321.78

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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.