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Finding the Fourth Proportional to 125,636.67, 173,371.32 and 69,048.05

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Solution

The fourth proportional to 125,636.67, 173,371.32 and 69,048.05 is: 95,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,636.67 : 173,371.32 = 69,048.05 : x
  2. Step 2: Convert to fraction form
    125,636.67/173,371.32 = 69,048.05/x
  3. Step 3: Cross multiply
    125,636.67x = 173,371.32 × 69,048.05
  4. Step 4: Simplify right side
    125,636.67x = 11,970,950,705.07
  5. Step 5: Solve for x
    x = 11,970,950,705.07/125,636.67
  6. Step 6: Final answer
    x = 95,282.30

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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.