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Finding the Fourth Proportional to 114,359.81, 171,556.25 and 43,263.16

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Solution

The fourth proportional to 114,359.81, 171,556.25 and 43,263.16 is: 64,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,359.81 : 171,556.25 = 43,263.16 : x
  2. Step 2: Convert to fraction form
    114,359.81/171,556.25 = 43,263.16/x
  3. Step 3: Cross multiply
    114,359.81x = 171,556.25 × 43,263.16
  4. Step 4: Simplify right side
    114,359.81x = 7,422,064,847.54
  5. Step 5: Solve for x
    x = 7,422,064,847.54/114,359.81
  6. Step 6: Final answer
    x = 64,900.99

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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.