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Finding the Fourth Proportional to 267,337.08, 400,939.88 and 117,615.06

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Solution

The fourth proportional to 267,337.08, 400,939.88 and 117,615.06 is: 176,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,337.08 : 400,939.88 = 117,615.06 : x
  2. Step 2: Convert to fraction form
    267,337.08/400,939.88 = 117,615.06/x
  3. Step 3: Cross multiply
    267,337.08x = 400,939.88 × 117,615.06
  4. Step 4: Simplify right side
    267,337.08x = 47,156,567,454.52
  5. Step 5: Solve for x
    x = 47,156,567,454.52/267,337.08
  6. Step 6: Final answer
    x = 176,393.67

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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.