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Finding the Fourth Proportional to 270,119.94, 404,856.30 and 125,831.28

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Solution

The fourth proportional to 270,119.94, 404,856.30 and 125,831.28 is: 188,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,119.94 : 404,856.30 = 125,831.28 : x
  2. Step 2: Convert to fraction form
    270,119.94/404,856.30 = 125,831.28/x
  3. Step 3: Cross multiply
    270,119.94x = 404,856.30 × 125,831.28
  4. Step 4: Simplify right side
    270,119.94x = 50,943,586,445.06
  5. Step 5: Solve for x
    x = 50,943,586,445.06/270,119.94
  6. Step 6: Final answer
    x = 188,596.17

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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.