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Finding the Fourth Proportional to 134,680.40, 202,020.60 and 97,355.60

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Solution

The fourth proportional to 134,680.40, 202,020.60 and 97,355.60 is: 146,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.40 : 202,020.60 = 97,355.60 : x
  2. Step 2: Convert to fraction form
    134,680.40/202,020.60 = 97,355.60/x
  3. Step 3: Cross multiply
    134,680.40x = 202,020.60 × 97,355.60
  4. Step 4: Simplify right side
    134,680.40x = 19,667,836,725.36
  5. Step 5: Solve for x
    x = 19,667,836,725.36/134,680.40
  6. Step 6: Final answer
    x = 146,033.40

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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.