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Finding the Fourth Proportional to 164,913.90, 231,579.30 and 164,913.90

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Solution

The fourth proportional to 164,913.90, 231,579.30 and 164,913.90 is: 231,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,913.90 : 231,579.30 = 164,913.90 : x
  2. Step 2: Convert to fraction form
    164,913.90/231,579.30 = 164,913.90/x
  3. Step 3: Cross multiply
    164,913.90x = 231,579.30 × 164,913.90
  4. Step 4: Simplify right side
    164,913.90x = 38,190,645,522.27
  5. Step 5: Solve for x
    x = 38,190,645,522.27/164,913.90
  6. Step 6: Final answer
    x = 231,579.30

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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.