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Finding the Fourth Proportional to 221,831.94, 332,804.04 and 61,907.85

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Solution

The fourth proportional to 221,831.94, 332,804.04 and 61,907.85 is: 92,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,831.94 : 332,804.04 = 61,907.85 : x
  2. Step 2: Convert to fraction form
    221,831.94/332,804.04 = 61,907.85/x
  3. Step 3: Cross multiply
    221,831.94x = 332,804.04 × 61,907.85
  4. Step 4: Simplify right side
    221,831.94x = 20,603,180,614.15
  5. Step 5: Solve for x
    x = 20,603,180,614.15/221,831.94
  6. Step 6: Final answer
    x = 92,877.43

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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.