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Finding the Fourth Proportional to 228,930.60, 343,104.30 and 166,528.20

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Solution

The fourth proportional to 228,930.60, 343,104.30 and 166,528.20 is: 249,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,930.60 : 343,104.30 = 166,528.20 : x
  2. Step 2: Convert to fraction form
    228,930.60/343,104.30 = 166,528.20/x
  3. Step 3: Cross multiply
    228,930.60x = 343,104.30 × 166,528.20
  4. Step 4: Simplify right side
    228,930.60x = 57,136,541,491.26
  5. Step 5: Solve for x
    x = 57,136,541,491.26/228,930.60
  6. Step 6: Final answer
    x = 249,580.18

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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.