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Finding the Fourth Proportional to 116,690.95, 160,694.71 and 101,370.56

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Solution

The fourth proportional to 116,690.95, 160,694.71 and 101,370.56 is: 139,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,690.95 : 160,694.71 = 101,370.56 : x
  2. Step 2: Convert to fraction form
    116,690.95/160,694.71 = 101,370.56/x
  3. Step 3: Cross multiply
    116,690.95x = 160,694.71 × 101,370.56
  4. Step 4: Simplify right side
    116,690.95x = 16,289,713,325.80
  5. Step 5: Solve for x
    x = 16,289,713,325.80/116,690.95
  6. Step 6: Final answer
    x = 139,597.05

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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.