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Finding the Fourth Proportional to 116,080.68, 160,222.86 and 68,349.48

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Solution

The fourth proportional to 116,080.68, 160,222.86 and 68,349.48 is: 94,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,080.68 : 160,222.86 = 68,349.48 : x
  2. Step 2: Convert to fraction form
    116,080.68/160,222.86 = 68,349.48/x
  3. Step 3: Cross multiply
    116,080.68x = 160,222.86 × 68,349.48
  4. Step 4: Simplify right side
    116,080.68x = 10,951,149,165.11
  5. Step 5: Solve for x
    x = 10,951,149,165.11/116,080.68
  6. Step 6: Final answer
    x = 94,340.84

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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.