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Finding the Fourth Proportional to 201,386.08, 277,917.03 and 110,745.86

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Solution

The fourth proportional to 201,386.08, 277,917.03 and 110,745.86 is: 152,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,386.08 : 277,917.03 = 110,745.86 : x
  2. Step 2: Convert to fraction form
    201,386.08/277,917.03 = 110,745.86/x
  3. Step 3: Cross multiply
    201,386.08x = 277,917.03 × 110,745.86
  4. Step 4: Simplify right side
    201,386.08x = 30,778,159,942.27
  5. Step 5: Solve for x
    x = 30,778,159,942.27/201,386.08
  6. Step 6: Final answer
    x = 152,831.62

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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.