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Finding the Fourth Proportional to 194,907.72, 292,361.60 and 47,163.72

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Solution

The fourth proportional to 194,907.72, 292,361.60 and 47,163.72 is: 70,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,907.72 : 292,361.60 = 47,163.72 : x
  2. Step 2: Convert to fraction form
    194,907.72/292,361.60 = 47,163.72/x
  3. Step 3: Cross multiply
    194,907.72x = 292,361.60 × 47,163.72
  4. Step 4: Simplify right side
    194,907.72x = 13,788,860,641.15
  5. Step 5: Solve for x
    x = 13,788,860,641.15/194,907.72
  6. Step 6: Final answer
    x = 70,745.58

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1.5x scale

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.