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Finding the Fourth Proportional to 156,625.46, 216,143.46 and 92,976.02

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Solution

The fourth proportional to 156,625.46, 216,143.46 and 92,976.02 is: 128,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,625.46 : 216,143.46 = 92,976.02 : x
  2. Step 2: Convert to fraction form
    156,625.46/216,143.46 = 92,976.02/x
  3. Step 3: Cross multiply
    156,625.46x = 216,143.46 × 92,976.02
  4. Step 4: Simplify right side
    156,625.46x = 20,096,158,659.83
  5. Step 5: Solve for x
    x = 20,096,158,659.83/156,625.46
  6. Step 6: Final answer
    x = 128,307.10

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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.