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Finding the Fourth Proportional to 355,085.69, 532,629.95 and 88,845.44

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Solution

The fourth proportional to 355,085.69, 532,629.95 and 88,845.44 is: 133,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,085.69 : 532,629.95 = 88,845.44 : x
  2. Step 2: Convert to fraction form
    355,085.69/532,629.95 = 88,845.44/x
  3. Step 3: Cross multiply
    355,085.69x = 532,629.95 × 88,845.44
  4. Step 4: Simplify right side
    355,085.69x = 47,321,739,157.55
  5. Step 5: Solve for x
    x = 47,321,739,157.55/355,085.69
  6. Step 6: Final answer
    x = 133,268.51

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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.