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Finding the Fourth Proportional to 116,960.63, 161,395.85 and 69,205.61

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Solution

The fourth proportional to 116,960.63, 161,395.85 and 69,205.61 is: 95,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,960.63 : 161,395.85 = 69,205.61 : x
  2. Step 2: Convert to fraction form
    116,960.63/161,395.85 = 69,205.61/x
  3. Step 3: Cross multiply
    116,960.63x = 161,395.85 × 69,205.61
  4. Step 4: Simplify right side
    116,960.63x = 11,169,497,616.75
  5. Step 5: Solve for x
    x = 11,169,497,616.75/116,960.63
  6. Step 6: Final answer
    x = 95,497.93

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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.