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Finding the Fourth Proportional to 228,603.84, 342,907.56 and 70,831.32

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Solution

The fourth proportional to 228,603.84, 342,907.56 and 70,831.32 is: 106,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,603.84 : 342,907.56 = 70,831.32 : x
  2. Step 2: Convert to fraction form
    228,603.84/342,907.56 = 70,831.32/x
  3. Step 3: Cross multiply
    228,603.84x = 342,907.56 × 70,831.32
  4. Step 4: Simplify right side
    228,603.84x = 24,288,595,112.78
  5. Step 5: Solve for x
    x = 24,288,595,112.78/228,603.84
  6. Step 6: Final answer
    x = 106,247.54

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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.