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Finding the Fourth Proportional to 276,371.58, 414,552.74 and 124,484.18

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Solution

The fourth proportional to 276,371.58, 414,552.74 and 124,484.18 is: 186,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,371.58 : 414,552.74 = 124,484.18 : x
  2. Step 2: Convert to fraction form
    276,371.58/414,552.74 = 124,484.18/x
  3. Step 3: Cross multiply
    276,371.58x = 414,552.74 × 124,484.18
  4. Step 4: Simplify right side
    276,371.58x = 51,605,257,905.65
  5. Step 5: Solve for x
    x = 51,605,257,905.65/276,371.58
  6. Step 6: Final answer
    x = 186,724.18

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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.