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Finding the Fourth Proportional to 94,745.53, 130,751.21 and 53,907.41

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Solution

The fourth proportional to 94,745.53, 130,751.21 and 53,907.41 is: 74,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,745.53 : 130,751.21 = 53,907.41 : x
  2. Step 2: Convert to fraction form
    94,745.53/130,751.21 = 53,907.41/x
  3. Step 3: Cross multiply
    94,745.53x = 130,751.21 × 53,907.41
  4. Step 4: Simplify right side
    94,745.53x = 7,048,458,811.64
  5. Step 5: Solve for x
    x = 7,048,458,811.64/94,745.53
  6. Step 6: Final answer
    x = 74,393.58

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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.