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Finding the Fourth Proportional to 180,028.94, 270,137.70 and 116,834.18

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Solution

The fourth proportional to 180,028.94, 270,137.70 and 116,834.18 is: 175,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,028.94 : 270,137.70 = 116,834.18 : x
  2. Step 2: Convert to fraction form
    180,028.94/270,137.70 = 116,834.18/x
  3. Step 3: Cross multiply
    180,028.94x = 270,137.70 × 116,834.18
  4. Step 4: Simplify right side
    180,028.94x = 31,561,315,315.90
  5. Step 5: Solve for x
    x = 31,561,315,315.90/180,028.94
  6. Step 6: Final answer
    x = 175,312.46

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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.