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Finding the Fourth Proportional to 303,334.35, 455,056.20 and 125,859.30

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Solution

The fourth proportional to 303,334.35, 455,056.20 and 125,859.30 is: 188,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,334.35 : 455,056.20 = 125,859.30 : x
  2. Step 2: Convert to fraction form
    303,334.35/455,056.20 = 125,859.30/x
  3. Step 3: Cross multiply
    303,334.35x = 455,056.20 × 125,859.30
  4. Step 4: Simplify right side
    303,334.35x = 57,273,054,792.66
  5. Step 5: Solve for x
    x = 57,273,054,792.66/303,334.35
  6. Step 6: Final answer
    x = 188,811.64

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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.