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Finding the Fourth Proportional to 136,164.40, 204,246.60 and 101,172.40

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Solution

The fourth proportional to 136,164.40, 204,246.60 and 101,172.40 is: 151,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,164.40 : 204,246.60 = 101,172.40 : x
  2. Step 2: Convert to fraction form
    136,164.40/204,246.60 = 101,172.40/x
  3. Step 3: Cross multiply
    136,164.40x = 204,246.60 × 101,172.40
  4. Step 4: Simplify right side
    136,164.40x = 20,664,118,713.84
  5. Step 5: Solve for x
    x = 20,664,118,713.84/136,164.40
  6. Step 6: Final answer
    x = 151,758.60

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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.