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Finding the Fourth Proportional to 78,618.44, 108,495.77 and 44,626.25

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Solution

The fourth proportional to 78,618.44, 108,495.77 and 44,626.25 is: 61,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,618.44 : 108,495.77 = 44,626.25 : x
  2. Step 2: Convert to fraction form
    78,618.44/108,495.77 = 44,626.25/x
  3. Step 3: Cross multiply
    78,618.44x = 108,495.77 × 44,626.25
  4. Step 4: Simplify right side
    78,618.44x = 4,841,758,590.35
  5. Step 5: Solve for x
    x = 4,841,758,590.35/78,618.44
  6. Step 6: Final answer
    x = 61,585.54

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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.