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Finding the Fourth Proportional to 52,908.30, 74,175.30 and 52,908.30

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Solution

The fourth proportional to 52,908.30, 74,175.30 and 52,908.30 is: 74,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,908.30 : 74,175.30 = 52,908.30 : x
  2. Step 2: Convert to fraction form
    52,908.30/74,175.30 = 52,908.30/x
  3. Step 3: Cross multiply
    52,908.30x = 74,175.30 × 52,908.30
  4. Step 4: Simplify right side
    52,908.30x = 3,924,489,024.99
  5. Step 5: Solve for x
    x = 3,924,489,024.99/52,908.30
  6. Step 6: Final answer
    x = 74,175.30

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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.