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Finding the Fourth Proportional to 169,628.60, 237,169 and 169,628.60

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Solution

The fourth proportional to 169,628.60, 237,169 and 169,628.60 is: 237,169

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,628.60 : 237,169 = 169,628.60 : x
  2. Step 2: Convert to fraction form
    169,628.60/237,169 = 169,628.60/x
  3. Step 3: Cross multiply
    169,628.60x = 237,169 × 169,628.60
  4. Step 4: Simplify right side
    169,628.60x = 40,230,645,433.40
  5. Step 5: Solve for x
    x = 40,230,645,433.40/169,628.60
  6. Step 6: Final answer
    x = 237,169

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.