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Finding the Fourth Proportional to 69,255, 103,845.54 and 35,941.53

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Solution

The fourth proportional to 69,255, 103,845.54 and 35,941.53 is: 53,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,255 : 103,845.54 = 35,941.53 : x
  2. Step 2: Convert to fraction form
    69,255/103,845.54 = 35,941.53/x
  3. Step 3: Cross multiply
    69,255x = 103,845.54 × 35,941.53
  4. Step 4: Simplify right side
    69,255x = 3,732,367,591.28
  5. Step 5: Solve for x
    x = 3,732,367,591.28/69,255
  6. Step 6: Final answer
    x = 53,893.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.