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Finding the Fourth Proportional to 336,666.08, 504,912.72 and 99,953.84

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Solution

The fourth proportional to 336,666.08, 504,912.72 and 99,953.84 is: 149,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,666.08 : 504,912.72 = 99,953.84 : x
  2. Step 2: Convert to fraction form
    336,666.08/504,912.72 = 99,953.84/x
  3. Step 3: Cross multiply
    336,666.08x = 504,912.72 × 99,953.84
  4. Step 4: Simplify right side
    336,666.08x = 50,467,965,228.84
  5. Step 5: Solve for x
    x = 50,467,965,228.84/336,666.08
  6. Step 6: Final answer
    x = 149,905.11

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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.