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Finding the Fourth Proportional to 116,794.39, 161,008.27 and 83,202.07

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Solution

The fourth proportional to 116,794.39, 161,008.27 and 83,202.07 is: 114,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,794.39 : 161,008.27 = 83,202.07 : x
  2. Step 2: Convert to fraction form
    116,794.39/161,008.27 = 83,202.07/x
  3. Step 3: Cross multiply
    116,794.39x = 161,008.27 × 83,202.07
  4. Step 4: Simplify right side
    116,794.39x = 13,396,221,351.12
  5. Step 5: Solve for x
    x = 13,396,221,351.12/116,794.39
  6. Step 6: Final answer
    x = 114,699.19

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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.