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Finding the Fourth Proportional to 115,435.60, 173,153.40 and 95,736.40

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Solution

The fourth proportional to 115,435.60, 173,153.40 and 95,736.40 is: 143,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,435.60 : 173,153.40 = 95,736.40 : x
  2. Step 2: Convert to fraction form
    115,435.60/173,153.40 = 95,736.40/x
  3. Step 3: Cross multiply
    115,435.60x = 173,153.40 × 95,736.40
  4. Step 4: Simplify right side
    115,435.60x = 16,577,083,163.76
  5. Step 5: Solve for x
    x = 16,577,083,163.76/115,435.60
  6. Step 6: Final answer
    x = 143,604.60

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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.