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Finding the Fourth Proportional to 114,572.85, 171,818.26 and 39,672.89

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Solution

The fourth proportional to 114,572.85, 171,818.26 and 39,672.89 is: 59,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,572.85 : 171,818.26 = 39,672.89 : x
  2. Step 2: Convert to fraction form
    114,572.85/171,818.26 = 39,672.89/x
  3. Step 3: Cross multiply
    114,572.85x = 171,818.26 × 39,672.89
  4. Step 4: Simplify right side
    114,572.85x = 6,816,526,928.97
  5. Step 5: Solve for x
    x = 6,816,526,928.97/114,572.85
  6. Step 6: Final answer
    x = 59,495.13

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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.