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Finding the Fourth Proportional to 178,263.78, 267,215.72 and 111,750.63

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Solution

The fourth proportional to 178,263.78, 267,215.72 and 111,750.63 is: 167,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,263.78 : 267,215.72 = 111,750.63 : x
  2. Step 2: Convert to fraction form
    178,263.78/267,215.72 = 111,750.63/x
  3. Step 3: Cross multiply
    178,263.78x = 267,215.72 × 111,750.63
  4. Step 4: Simplify right side
    178,263.78x = 29,861,525,335.28
  5. Step 5: Solve for x
    x = 29,861,525,335.28/178,263.78
  6. Step 6: Final answer
    x = 167,513.14

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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.