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Finding the Fourth Proportional to 228,359.44, 342,571.95 and 70,600.21

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Solution

The fourth proportional to 228,359.44, 342,571.95 and 70,600.21 is: 105,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,359.44 : 342,571.95 = 70,600.21 : x
  2. Step 2: Convert to fraction form
    228,359.44/342,571.95 = 70,600.21/x
  3. Step 3: Cross multiply
    228,359.44x = 342,571.95 × 70,600.21
  4. Step 4: Simplify right side
    228,359.44x = 24,185,651,610.11
  5. Step 5: Solve for x
    x = 24,185,651,610.11/228,359.44
  6. Step 6: Final answer
    x = 105,910.45

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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.