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Finding the Fourth Proportional to 134,812.60, 202,218.90 and 108,568.60

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Solution

The fourth proportional to 134,812.60, 202,218.90 and 108,568.60 is: 162,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,812.60 : 202,218.90 = 108,568.60 : x
  2. Step 2: Convert to fraction form
    134,812.60/202,218.90 = 108,568.60/x
  3. Step 3: Cross multiply
    134,812.60x = 202,218.90 × 108,568.60
  4. Step 4: Simplify right side
    134,812.60x = 21,954,622,866.54
  5. Step 5: Solve for x
    x = 21,954,622,866.54/134,812.60
  6. Step 6: Final answer
    x = 162,852.90

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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.