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Finding the Fourth Proportional to 228,212.84, 342,182.57 and 108,299.63

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Solution

The fourth proportional to 228,212.84, 342,182.57 and 108,299.63 is: 162,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,212.84 : 342,182.57 = 108,299.63 : x
  2. Step 2: Convert to fraction form
    228,212.84/342,182.57 = 108,299.63/x
  3. Step 3: Cross multiply
    228,212.84x = 342,182.57 × 108,299.63
  4. Step 4: Simplify right side
    228,212.84x = 37,058,245,723.45
  5. Step 5: Solve for x
    x = 37,058,245,723.45/228,212.84
  6. Step 6: Final answer
    x = 162,384.58

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1.5x scale

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.