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Finding the Fourth Proportional to 125,575.67, 173,296.26 and 68,216.06

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Solution

The fourth proportional to 125,575.67, 173,296.26 and 68,216.06 is: 94,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,575.67 : 173,296.26 = 68,216.06 : x
  2. Step 2: Convert to fraction form
    125,575.67/173,296.26 = 68,216.06/x
  3. Step 3: Cross multiply
    125,575.67x = 173,296.26 × 68,216.06
  4. Step 4: Simplify right side
    125,575.67x = 11,821,588,069.94
  5. Step 5: Solve for x
    x = 11,821,588,069.94/125,575.67
  6. Step 6: Final answer
    x = 94,139.16

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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.