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Finding the Fourth Proportional to 180,461.70, 270,692.55 and 164,715.30

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Solution

The fourth proportional to 180,461.70, 270,692.55 and 164,715.30 is: 247,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,461.70 : 270,692.55 = 164,715.30 : x
  2. Step 2: Convert to fraction form
    180,461.70/270,692.55 = 164,715.30/x
  3. Step 3: Cross multiply
    180,461.70x = 270,692.55 × 164,715.30
  4. Step 4: Simplify right side
    180,461.70x = 44,587,204,581.02
  5. Step 5: Solve for x
    x = 44,587,204,581.02/180,461.70
  6. Step 6: Final answer
    x = 247,072.95

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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.