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Finding the Fourth Proportional to 156,702.56, 216,227.76 and 92,174.72

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Solution

The fourth proportional to 156,702.56, 216,227.76 and 92,174.72 is: 127,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,702.56 : 216,227.76 = 92,174.72 : x
  2. Step 2: Convert to fraction form
    156,702.56/216,227.76 = 92,174.72/x
  3. Step 3: Cross multiply
    156,702.56x = 216,227.76 × 92,174.72
  4. Step 4: Simplify right side
    156,702.56x = 19,930,733,234.23
  5. Step 5: Solve for x
    x = 19,930,733,234.23/156,702.56
  6. Step 6: Final answer
    x = 127,188.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.