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Finding the Fourth Proportional to 114,655.80, 171,975.60 and 39,757.80

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Solution

The fourth proportional to 114,655.80, 171,975.60 and 39,757.80 is: 59,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,655.80 : 171,975.60 = 39,757.80 : x
  2. Step 2: Convert to fraction form
    114,655.80/171,975.60 = 39,757.80/x
  3. Step 3: Cross multiply
    114,655.80x = 171,975.60 × 39,757.80
  4. Step 4: Simplify right side
    114,655.80x = 6,837,371,509.68
  5. Step 5: Solve for x
    x = 6,837,371,509.68/114,655.80
  6. Step 6: Final answer
    x = 59,633.89

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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.