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Finding the Fourth Proportional to 178,331.63, 267,308.91 and 65,939.67

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Solution

The fourth proportional to 178,331.63, 267,308.91 and 65,939.67 is: 98,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,331.63 : 267,308.91 = 65,939.67 : x
  2. Step 2: Convert to fraction form
    178,331.63/267,308.91 = 65,939.67/x
  3. Step 3: Cross multiply
    178,331.63x = 267,308.91 × 65,939.67
  4. Step 4: Simplify right side
    178,331.63x = 17,626,261,313.46
  5. Step 5: Solve for x
    x = 17,626,261,313.46/178,331.63
  6. Step 6: Final answer
    x = 98,839.80

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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.