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Finding the Fourth Proportional to 228,491.86, 342,796.92 and 133,802.05

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Solution

The fourth proportional to 228,491.86, 342,796.92 and 133,802.05 is: 200,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,491.86 : 342,796.92 = 133,802.05 : x
  2. Step 2: Convert to fraction form
    228,491.86/342,796.92 = 133,802.05/x
  3. Step 3: Cross multiply
    228,491.86x = 342,796.92 × 133,802.05
  4. Step 4: Simplify right side
    228,491.86x = 45,866,930,629.69
  5. Step 5: Solve for x
    x = 45,866,930,629.69/228,491.86
  6. Step 6: Final answer
    x = 200,737.70

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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.