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Finding the Fourth Proportional to 201,393.79, 277,917.56 and 110,749.66

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Solution

The fourth proportional to 201,393.79, 277,917.56 and 110,749.66 is: 152,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,393.79 : 277,917.56 = 110,749.66 : x
  2. Step 2: Convert to fraction form
    201,393.79/277,917.56 = 110,749.66/x
  3. Step 3: Cross multiply
    201,393.79x = 277,917.56 × 110,749.66
  4. Step 4: Simplify right side
    201,393.79x = 30,779,274,724.28
  5. Step 5: Solve for x
    x = 30,779,274,724.28/201,393.79
  6. Step 6: Final answer
    x = 152,831.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.