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Finding the Fourth Proportional to 69,963.63, 96,550.83 and 43,090.88

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Solution

The fourth proportional to 69,963.63, 96,550.83 and 43,090.88 is: 59,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,963.63 : 96,550.83 = 43,090.88 : x
  2. Step 2: Convert to fraction form
    69,963.63/96,550.83 = 43,090.88/x
  3. Step 3: Cross multiply
    69,963.63x = 96,550.83 × 43,090.88
  4. Step 4: Simplify right side
    69,963.63x = 4,160,459,746.68
  5. Step 5: Solve for x
    x = 4,160,459,746.68/69,963.63
  6. Step 6: Final answer
    x = 59,466.04

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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.