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Finding the Fourth Proportional to 228,674.11, 342,828 and 108,670.84

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Solution

The fourth proportional to 228,674.11, 342,828 and 108,670.84 is: 162,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,674.11 : 342,828 = 108,670.84 : x
  2. Step 2: Convert to fraction form
    228,674.11/342,828 = 108,670.84/x
  3. Step 3: Cross multiply
    228,674.11x = 342,828 × 108,670.84
  4. Step 4: Simplify right side
    228,674.11x = 37,255,405,878.45
  5. Step 5: Solve for x
    x = 37,255,405,878.45/228,674.11
  6. Step 6: Final answer
    x = 162,919.21

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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.