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Finding the Fourth Proportional to 107,998.60, 161,706.30 and 107,998.60

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Solution

The fourth proportional to 107,998.60, 161,706.30 and 107,998.60 is: 161,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998.60 : 161,706.30 = 107,998.60 : x
  2. Step 2: Convert to fraction form
    107,998.60/161,706.30 = 107,998.60/x
  3. Step 3: Cross multiply
    107,998.60x = 161,706.30 × 107,998.60
  4. Step 4: Simplify right side
    107,998.60x = 17,464,054,011.18
  5. Step 5: Solve for x
    x = 17,464,054,011.18/107,998.60
  6. Step 6: Final answer
    x = 161,706.30

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1.5x scale

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.