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Finding the Fourth Proportional to 169,191, 253,786.50 and 58,383

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Solution

The fourth proportional to 169,191, 253,786.50 and 58,383 is: 87,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,191 : 253,786.50 = 58,383 : x
  2. Step 2: Convert to fraction form
    169,191/253,786.50 = 58,383/x
  3. Step 3: Cross multiply
    169,191x = 253,786.50 × 58,383
  4. Step 4: Simplify right side
    169,191x = 14,816,817,229.50
  5. Step 5: Solve for x
    x = 14,816,817,229.50/169,191
  6. Step 6: Final answer
    x = 87,574.50

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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.