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Finding the Fourth Proportional to 116,157, 160,271.94 and 68,392.92

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Solution

The fourth proportional to 116,157, 160,271.94 and 68,392.92 is: 94,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,157 : 160,271.94 = 68,392.92 : x
  2. Step 2: Convert to fraction form
    116,157/160,271.94 = 68,392.92/x
  3. Step 3: Cross multiply
    116,157x = 160,271.94 × 68,392.92
  4. Step 4: Simplify right side
    116,157x = 10,961,465,970.66
  5. Step 5: Solve for x
    x = 10,961,465,970.66/116,157
  6. Step 6: Final answer
    x = 94,367.67

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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.