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Finding the Fourth Proportional to 136,036.81, 204,054.94 and 36,197

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Solution

The fourth proportional to 136,036.81, 204,054.94 and 36,197 is: 54,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,036.81 : 204,054.94 = 36,197 : x
  2. Step 2: Convert to fraction form
    136,036.81/204,054.94 = 36,197/x
  3. Step 3: Cross multiply
    136,036.81x = 204,054.94 × 36,197
  4. Step 4: Simplify right side
    136,036.81x = 7,386,176,663.18
  5. Step 5: Solve for x
    x = 7,386,176,663.18/136,036.81
  6. Step 6: Final answer
    x = 54,295.43

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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.