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Finding the Fourth Proportional to 188,323.40, 259,935.62 and 116,662.76

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Solution

The fourth proportional to 188,323.40, 259,935.62 and 116,662.76 is: 161,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,323.40 : 259,935.62 = 116,662.76 : x
  2. Step 2: Convert to fraction form
    188,323.40/259,935.62 = 116,662.76/x
  3. Step 3: Cross multiply
    188,323.40x = 259,935.62 × 116,662.76
  4. Step 4: Simplify right side
    188,323.40x = 30,324,806,851.51
  5. Step 5: Solve for x
    x = 30,324,806,851.51/188,323.40
  6. Step 6: Final answer
    x = 161,025.17

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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.