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Finding the Fourth Proportional to 156,951.54, 216,520.74 and 113,836.86

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Solution

The fourth proportional to 156,951.54, 216,520.74 and 113,836.86 is: 157,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.54 : 216,520.74 = 113,836.86 : x
  2. Step 2: Convert to fraction form
    156,951.54/216,520.74 = 113,836.86/x
  3. Step 3: Cross multiply
    156,951.54x = 216,520.74 × 113,836.86
  4. Step 4: Simplify right side
    156,951.54x = 24,648,041,166.48
  5. Step 5: Solve for x
    x = 24,648,041,166.48/156,951.54
  6. Step 6: Final answer
    x = 157,042.37

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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.