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Finding the Fourth Proportional to 336,512.76, 504,659.93 and 111,812.85

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Solution

The fourth proportional to 336,512.76, 504,659.93 and 111,812.85 is: 167,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,512.76 : 504,659.93 = 111,812.85 : x
  2. Step 2: Convert to fraction form
    336,512.76/504,659.93 = 111,812.85/x
  3. Step 3: Cross multiply
    336,512.76x = 504,659.93 × 111,812.85
  4. Step 4: Simplify right side
    336,512.76x = 56,427,466,387.51
  5. Step 5: Solve for x
    x = 56,427,466,387.51/336,512.76
  6. Step 6: Final answer
    x = 167,682.99

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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.