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Finding the Fourth Proportional to 336,516.66, 504,665.82 and 111,816.78

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Solution

The fourth proportional to 336,516.66, 504,665.82 and 111,816.78 is: 167,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,516.66 : 504,665.82 = 111,816.78 : x
  2. Step 2: Convert to fraction form
    336,516.66/504,665.82 = 111,816.78/x
  3. Step 3: Cross multiply
    336,516.66x = 504,665.82 × 111,816.78
  4. Step 4: Simplify right side
    336,516.66x = 56,430,106,968.46
  5. Step 5: Solve for x
    x = 56,430,106,968.46/336,516.66
  6. Step 6: Final answer
    x = 167,688.90

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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.