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Finding the Fourth Proportional to 228,674.46, 343,128.75 and 108,866.94

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Solution

The fourth proportional to 228,674.46, 343,128.75 and 108,866.94 is: 163,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,674.46 : 343,128.75 = 108,866.94 : x
  2. Step 2: Convert to fraction form
    228,674.46/343,128.75 = 108,866.94/x
  3. Step 3: Cross multiply
    228,674.46x = 343,128.75 × 108,866.94
  4. Step 4: Simplify right side
    228,674.46x = 37,355,377,038.53
  5. Step 5: Solve for x
    x = 37,355,377,038.53/228,674.46
  6. Step 6: Final answer
    x = 163,356.14

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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.