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Finding the Fourth Proportional to 176,391.40, 264,198.30 and 156,692.20

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Solution

The fourth proportional to 176,391.40, 264,198.30 and 156,692.20 is: 234,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,391.40 : 264,198.30 = 156,692.20 : x
  2. Step 2: Convert to fraction form
    176,391.40/264,198.30 = 156,692.20/x
  3. Step 3: Cross multiply
    176,391.40x = 264,198.30 × 156,692.20
  4. Step 4: Simplify right side
    176,391.40x = 41,397,812,863.26
  5. Step 5: Solve for x
    x = 41,397,812,863.26/176,391.40
  6. Step 6: Final answer
    x = 234,692.92

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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.