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Finding the Fourth Proportional to 178,255.70, 267,383.55 and 143,263.70

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Solution

The fourth proportional to 178,255.70, 267,383.55 and 143,263.70 is: 214,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,255.70 : 267,383.55 = 143,263.70 : x
  2. Step 2: Convert to fraction form
    178,255.70/267,383.55 = 143,263.70/x
  3. Step 3: Cross multiply
    178,255.70x = 267,383.55 × 143,263.70
  4. Step 4: Simplify right side
    178,255.70x = 38,306,356,692.14
  5. Step 5: Solve for x
    x = 38,306,356,692.14/178,255.70
  6. Step 6: Final answer
    x = 214,895.55

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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.