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Finding the Fourth Proportional to 125,670.89, 173,466.29 and 80,470.67

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Solution

The fourth proportional to 125,670.89, 173,466.29 and 80,470.67 is: 111,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670.89 : 173,466.29 = 80,470.67 : x
  2. Step 2: Convert to fraction form
    125,670.89/173,466.29 = 80,470.67/x
  3. Step 3: Cross multiply
    125,670.89x = 173,466.29 × 80,470.67
  4. Step 4: Simplify right side
    125,670.89x = 13,958,947,912.56
  5. Step 5: Solve for x
    x = 13,958,947,912.56/125,670.89
  6. Step 6: Final answer
    x = 111,075.43

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1.5x scale

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.