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Finding the Fourth Proportional to 125,794, 173,598.42 and 69,205.51

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Solution

The fourth proportional to 125,794, 173,598.42 and 69,205.51 is: 95,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,794 : 173,598.42 = 69,205.51 : x
  2. Step 2: Convert to fraction form
    125,794/173,598.42 = 69,205.51/x
  3. Step 3: Cross multiply
    125,794x = 173,598.42 × 69,205.51
  4. Step 4: Simplify right side
    125,794x = 12,013,967,191.29
  5. Step 5: Solve for x
    x = 12,013,967,191.29/125,794
  6. Step 6: Final answer
    x = 95,505.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.