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Finding the Fourth Proportional to 228,325.19, 342,480.73 and 108,468.43

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Solution

The fourth proportional to 228,325.19, 342,480.73 and 108,468.43 is: 162,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,325.19 : 342,480.73 = 108,468.43 : x
  2. Step 2: Convert to fraction form
    228,325.19/342,480.73 = 108,468.43/x
  3. Step 3: Cross multiply
    228,325.19x = 342,480.73 × 108,468.43
  4. Step 4: Simplify right side
    228,325.19x = 37,148,347,088.35
  5. Step 5: Solve for x
    x = 37,148,347,088.35/228,325.19
  6. Step 6: Final answer
    x = 162,699.29

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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.