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Finding the Fourth Proportional to 144,662.74, 216,914.99 and 114,868.37

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Solution

The fourth proportional to 144,662.74, 216,914.99 and 114,868.37 is: 172,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,662.74 : 216,914.99 = 114,868.37 : x
  2. Step 2: Convert to fraction form
    144,662.74/216,914.99 = 114,868.37/x
  3. Step 3: Cross multiply
    144,662.74x = 216,914.99 × 114,868.37
  4. Step 4: Simplify right side
    144,662.74x = 24,916,671,297.81
  5. Step 5: Solve for x
    x = 24,916,671,297.81/144,662.74
  6. Step 6: Final answer
    x = 172,239.73

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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.