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Finding the Fourth Proportional to 116,336.94, 160,520.07 and 67,916.88

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Solution

The fourth proportional to 116,336.94, 160,520.07 and 67,916.88 is: 93,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,336.94 : 160,520.07 = 67,916.88 : x
  2. Step 2: Convert to fraction form
    116,336.94/160,520.07 = 67,916.88/x
  3. Step 3: Cross multiply
    116,336.94x = 160,520.07 × 67,916.88
  4. Step 4: Simplify right side
    116,336.94x = 10,902,022,395.45
  5. Step 5: Solve for x
    x = 10,902,022,395.45/116,336.94
  6. Step 6: Final answer
    x = 93,710.75

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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.