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Finding the Fourth Proportional to 503,908.12, 755,901.87 and 166,935.16

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Solution

The fourth proportional to 503,908.12, 755,901.87 and 166,935.16 is: 250,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,908.12 : 755,901.87 = 166,935.16 : x
  2. Step 2: Convert to fraction form
    503,908.12/755,901.87 = 166,935.16/x
  3. Step 3: Cross multiply
    503,908.12x = 755,901.87 × 166,935.16
  4. Step 4: Simplify right side
    503,908.12x = 126,186,599,612.75
  5. Step 5: Solve for x
    x = 126,186,599,612.75/503,908.12
  6. Step 6: Final answer
    x = 250,415.89

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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.