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Finding the Fourth Proportional to 238,723.80, 358,085.81 and 58,812.73

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Solution

The fourth proportional to 238,723.80, 358,085.81 and 58,812.73 is: 88,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,723.80 : 358,085.81 = 58,812.73 : x
  2. Step 2: Convert to fraction form
    238,723.80/358,085.81 = 58,812.73/x
  3. Step 3: Cross multiply
    238,723.80x = 358,085.81 × 58,812.73
  4. Step 4: Simplify right side
    238,723.80x = 21,060,002,871.08
  5. Step 5: Solve for x
    x = 21,060,002,871.08/238,723.80
  6. Step 6: Final answer
    x = 88,219.12

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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.