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Finding the Fourth Proportional to 276,752.73, 414,806.52 and 127,008.84

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Solution

The fourth proportional to 276,752.73, 414,806.52 and 127,008.84 is: 190,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,752.73 : 414,806.52 = 127,008.84 : x
  2. Step 2: Convert to fraction form
    276,752.73/414,806.52 = 127,008.84/x
  3. Step 3: Cross multiply
    276,752.73x = 414,806.52 × 127,008.84
  4. Step 4: Simplify right side
    276,752.73x = 52,684,094,929.64
  5. Step 5: Solve for x
    x = 52,684,094,929.64/276,752.73
  6. Step 6: Final answer
    x = 190,365.22

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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.