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Finding the Fourth Proportional to 114,572.80, 171,818.18 and 39,672.83

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Solution

The fourth proportional to 114,572.80, 171,818.18 and 39,672.83 is: 59,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,572.80 : 171,818.18 = 39,672.83 : x
  2. Step 2: Convert to fraction form
    114,572.80/171,818.18 = 39,672.83/x
  3. Step 3: Cross multiply
    114,572.80x = 171,818.18 × 39,672.83
  4. Step 4: Simplify right side
    114,572.80x = 6,816,513,446.05
  5. Step 5: Solve for x
    x = 6,816,513,446.05/114,572.80
  6. Step 6: Final answer
    x = 59,495.04

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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.