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Finding the Fourth Proportional to 104,114.66, 143,619.60 and 65,862.44

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Solution

The fourth proportional to 104,114.66, 143,619.60 and 65,862.44 is: 90,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,114.66 : 143,619.60 = 65,862.44 : x
  2. Step 2: Convert to fraction form
    104,114.66/143,619.60 = 65,862.44/x
  3. Step 3: Cross multiply
    104,114.66x = 143,619.60 × 65,862.44
  4. Step 4: Simplify right side
    104,114.66x = 9,459,137,287.82
  5. Step 5: Solve for x
    x = 9,459,137,287.82/104,114.66
  6. Step 6: Final answer
    x = 90,853.08

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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.