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Finding the Fourth Proportional to 107,797.80, 161,696.70 and 104,725.80

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Solution

The fourth proportional to 107,797.80, 161,696.70 and 104,725.80 is: 157,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,797.80 : 161,696.70 = 104,725.80 : x
  2. Step 2: Convert to fraction form
    107,797.80/161,696.70 = 104,725.80/x
  3. Step 3: Cross multiply
    107,797.80x = 161,696.70 × 104,725.80
  4. Step 4: Simplify right side
    107,797.80x = 16,933,816,264.86
  5. Step 5: Solve for x
    x = 16,933,816,264.86/107,797.80
  6. Step 6: Final answer
    x = 157,088.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.