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Finding the Fourth Proportional to 178,392, 267,605.28 and 60,093.12

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Solution

The fourth proportional to 178,392, 267,605.28 and 60,093.12 is: 90,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,392 : 267,605.28 = 60,093.12 : x
  2. Step 2: Convert to fraction form
    178,392/267,605.28 = 60,093.12/x
  3. Step 3: Cross multiply
    178,392x = 267,605.28 × 60,093.12
  4. Step 4: Simplify right side
    178,392x = 16,081,236,203.67
  5. Step 5: Solve for x
    x = 16,081,236,203.67/178,392
  6. Step 6: Final answer
    x = 90,145.50

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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.