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Finding the Fourth Proportional to 136,532.36, 204,767.82 and 48,980.36

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Solution

The fourth proportional to 136,532.36, 204,767.82 and 48,980.36 is: 73,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,532.36 : 204,767.82 = 48,980.36 : x
  2. Step 2: Convert to fraction form
    136,532.36/204,767.82 = 48,980.36/x
  3. Step 3: Cross multiply
    136,532.36x = 204,767.82 × 48,980.36
  4. Step 4: Simplify right side
    136,532.36x = 10,029,601,540.02
  5. Step 5: Solve for x
    x = 10,029,601,540.02/136,532.36
  6. Step 6: Final answer
    x = 73,459.52

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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.