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Finding the Fourth Proportional to 168,225.60, 252,476.10 and 166,913.40

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Solution

The fourth proportional to 168,225.60, 252,476.10 and 166,913.40 is: 250,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,225.60 : 252,476.10 = 166,913.40 : x
  2. Step 2: Convert to fraction form
    168,225.60/252,476.10 = 166,913.40/x
  3. Step 3: Cross multiply
    168,225.60x = 252,476.10 × 166,913.40
  4. Step 4: Simplify right side
    168,225.60x = 42,141,644,269.74
  5. Step 5: Solve for x
    x = 42,141,644,269.74/168,225.60
  6. Step 6: Final answer
    x = 250,506.73

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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.