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Finding the Fourth Proportional to 168,003.84, 251,924.76 and 61,384.08

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Solution

The fourth proportional to 168,003.84, 251,924.76 and 61,384.08 is: 92,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,003.84 : 251,924.76 = 61,384.08 : x
  2. Step 2: Convert to fraction form
    168,003.84/251,924.76 = 61,384.08/x
  3. Step 3: Cross multiply
    168,003.84x = 251,924.76 × 61,384.08
  4. Step 4: Simplify right side
    168,003.84x = 15,464,169,621.82
  5. Step 5: Solve for x
    x = 15,464,169,621.82/168,003.84
  6. Step 6: Final answer
    x = 92,046.52

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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.