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Finding the Fourth Proportional to 195,887.88, 293,831.81 and 55,628.28

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Solution

The fourth proportional to 195,887.88, 293,831.81 and 55,628.28 is: 83,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,887.88 : 293,831.81 = 55,628.28 : x
  2. Step 2: Convert to fraction form
    195,887.88/293,831.81 = 55,628.28/x
  3. Step 3: Cross multiply
    195,887.88x = 293,831.81 × 55,628.28
  4. Step 4: Simplify right side
    195,887.88x = 16,345,357,921.45
  5. Step 5: Solve for x
    x = 16,345,357,921.45/195,887.88
  6. Step 6: Final answer
    x = 83,442.42

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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.