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Finding the Fourth Proportional to 114,605.58, 171,869.43 and 39,708.24

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Solution

The fourth proportional to 114,605.58, 171,869.43 and 39,708.24 is: 59,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,605.58 : 171,869.43 = 39,708.24 : x
  2. Step 2: Convert to fraction form
    114,605.58/171,869.43 = 39,708.24/x
  3. Step 3: Cross multiply
    114,605.58x = 171,869.43 × 39,708.24
  4. Step 4: Simplify right side
    114,605.58x = 6,824,632,575.10
  5. Step 5: Solve for x
    x = 6,824,632,575.10/114,605.58
  6. Step 6: Final answer
    x = 59,548.87

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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.