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Finding the Fourth Proportional to 80,059.41, 120,075.47 and 26,745.35

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Solution

The fourth proportional to 80,059.41, 120,075.47 and 26,745.35 is: 40,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,059.41 : 120,075.47 = 26,745.35 : x
  2. Step 2: Convert to fraction form
    80,059.41/120,075.47 = 26,745.35/x
  3. Step 3: Cross multiply
    80,059.41x = 120,075.47 × 26,745.35
  4. Step 4: Simplify right side
    80,059.41x = 3,211,459,737.46
  5. Step 5: Solve for x
    x = 3,211,459,737.46/80,059.41
  6. Step 6: Final answer
    x = 40,113.46

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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.