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Finding the Fourth Proportional to 136,305.54, 204,442.08 and 36,473.45

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Solution

The fourth proportional to 136,305.54, 204,442.08 and 36,473.45 is: 54,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,305.54 : 204,442.08 = 36,473.45 : x
  2. Step 2: Convert to fraction form
    136,305.54/204,442.08 = 36,473.45/x
  3. Step 3: Cross multiply
    136,305.54x = 204,442.08 × 36,473.45
  4. Step 4: Simplify right side
    136,305.54x = 7,456,706,823.79
  5. Step 5: Solve for x
    x = 7,456,706,823.79/136,305.54
  6. Step 6: Final answer
    x = 54,705.82

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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.