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Finding the Fourth Proportional to 101,361.46, 152,050.25 and 30,278.88

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Solution

The fourth proportional to 101,361.46, 152,050.25 and 30,278.88 is: 45,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361.46 : 152,050.25 = 30,278.88 : x
  2. Step 2: Convert to fraction form
    101,361.46/152,050.25 = 30,278.88/x
  3. Step 3: Cross multiply
    101,361.46x = 152,050.25 × 30,278.88
  4. Step 4: Simplify right side
    101,361.46x = 4,603,911,273.72
  5. Step 5: Solve for x
    x = 4,603,911,273.72/101,361.46
  6. Step 6: Final answer
    x = 45,420.73

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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.