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Finding the Fourth Proportional to 114,942.36, 172,420.02 and 36,054.84

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Solution

The fourth proportional to 114,942.36, 172,420.02 and 36,054.84 is: 54,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942.36 : 172,420.02 = 36,054.84 : x
  2. Step 2: Convert to fraction form
    114,942.36/172,420.02 = 36,054.84/x
  3. Step 3: Cross multiply
    114,942.36x = 172,420.02 × 36,054.84
  4. Step 4: Simplify right side
    114,942.36x = 6,216,576,233.90
  5. Step 5: Solve for x
    x = 6,216,576,233.90/114,942.36
  6. Step 6: Final answer
    x = 54,084.29

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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.