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Finding the Fourth Proportional to 110,922, 153,077.86 and 65,626.48

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Solution

The fourth proportional to 110,922, 153,077.86 and 65,626.48 is: 90,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,922 : 153,077.86 = 65,626.48 : x
  2. Step 2: Convert to fraction form
    110,922/153,077.86 = 65,626.48/x
  3. Step 3: Cross multiply
    110,922x = 153,077.86 × 65,626.48
  4. Step 4: Simplify right side
    110,922x = 10,045,961,117.73
  5. Step 5: Solve for x
    x = 10,045,961,117.73/110,922
  6. Step 6: Final answer
    x = 90,567.80

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