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Finding the Fourth Proportional to 178,625.84, 267,944.90 and 89,830.94

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Solution

The fourth proportional to 178,625.84, 267,944.90 and 89,830.94 is: 134,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,625.84 : 267,944.90 = 89,830.94 : x
  2. Step 2: Convert to fraction form
    178,625.84/267,944.90 = 89,830.94/x
  3. Step 3: Cross multiply
    178,625.84x = 267,944.90 × 89,830.94
  4. Step 4: Simplify right side
    178,625.84x = 24,069,740,446.33
  5. Step 5: Solve for x
    x = 24,069,740,446.33/178,625.84
  6. Step 6: Final answer
    x = 134,749.49

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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.