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Finding the Fourth Proportional to 115,998.80, 173,896.95 and 44,969.90

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Solution

The fourth proportional to 115,998.80, 173,896.95 and 44,969.90 is: 67,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,998.80 : 173,896.95 = 44,969.90 : x
  2. Step 2: Convert to fraction form
    115,998.80/173,896.95 = 44,969.90/x
  3. Step 3: Cross multiply
    115,998.80x = 173,896.95 × 44,969.90
  4. Step 4: Simplify right side
    115,998.80x = 7,820,128,451.81
  5. Step 5: Solve for x
    x = 7,820,128,451.81/115,998.80
  6. Step 6: Final answer
    x = 67,415.60

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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.