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Finding the Fourth Proportional to 336,665.58, 504,911.97 and 99,953.34

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Solution

The fourth proportional to 336,665.58, 504,911.97 and 99,953.34 is: 149,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,665.58 : 504,911.97 = 99,953.34 : x
  2. Step 2: Convert to fraction form
    336,665.58/504,911.97 = 99,953.34/x
  3. Step 3: Cross multiply
    336,665.58x = 504,911.97 × 99,953.34
  4. Step 4: Simplify right side
    336,665.58x = 50,467,637,807.48
  5. Step 5: Solve for x
    x = 50,467,637,807.48/336,665.58
  6. Step 6: Final answer
    x = 149,904.36

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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.