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Finding the Fourth Proportional to 120,334.40, 180,501.60 and 41,422.40

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Solution

The fourth proportional to 120,334.40, 180,501.60 and 41,422.40 is: 62,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,334.40 : 180,501.60 = 41,422.40 : x
  2. Step 2: Convert to fraction form
    120,334.40/180,501.60 = 41,422.40/x
  3. Step 3: Cross multiply
    120,334.40x = 180,501.60 × 41,422.40
  4. Step 4: Simplify right side
    120,334.40x = 7,476,809,475.84
  5. Step 5: Solve for x
    x = 7,476,809,475.84/120,334.40
  6. Step 6: Final answer
    x = 62,133.60

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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.