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Finding the Fourth Proportional to 136,496.40, 204,744.60 and 103,035.30

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Solution

The fourth proportional to 136,496.40, 204,744.60 and 103,035.30 is: 154,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,496.40 : 204,744.60 = 103,035.30 : x
  2. Step 2: Convert to fraction form
    136,496.40/204,744.60 = 103,035.30/x
  3. Step 3: Cross multiply
    136,496.40x = 204,744.60 × 103,035.30
  4. Step 4: Simplify right side
    136,496.40x = 21,095,921,284.38
  5. Step 5: Solve for x
    x = 21,095,921,284.38/136,496.40
  6. Step 6: Final answer
    x = 154,552.95

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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.