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Finding the Fourth Proportional to 336,516.51, 504,665.55 and 111,816.62

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Solution

The fourth proportional to 336,516.51, 504,665.55 and 111,816.62 is: 167,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,516.51 : 504,665.55 = 111,816.62 : x
  2. Step 2: Convert to fraction form
    336,516.51/504,665.55 = 111,816.62/x
  3. Step 3: Cross multiply
    336,516.51x = 504,665.55 × 111,816.62
  4. Step 4: Simplify right side
    336,516.51x = 56,429,996,031.44
  5. Step 5: Solve for x
    x = 56,429,996,031.44/336,516.51
  6. Step 6: Final answer
    x = 167,688.64

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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.