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Finding the Fourth Proportional to 120,073.06, 180,103.06 and 60,907.18

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Solution

The fourth proportional to 120,073.06, 180,103.06 and 60,907.18 is: 91,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,073.06 : 180,103.06 = 60,907.18 : x
  2. Step 2: Convert to fraction form
    120,073.06/180,103.06 = 60,907.18/x
  3. Step 3: Cross multiply
    120,073.06x = 180,103.06 × 60,907.18
  4. Step 4: Simplify right side
    120,073.06x = 10,969,569,493.97
  5. Step 5: Solve for x
    x = 10,969,569,493.97/120,073.06
  6. Step 6: Final answer
    x = 91,357.46

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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.