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Finding the Fourth Proportional to 114,591.90, 171,890.07 and 39,714.51

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Solution

The fourth proportional to 114,591.90, 171,890.07 and 39,714.51 is: 59,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,591.90 : 171,890.07 = 39,714.51 : x
  2. Step 2: Convert to fraction form
    114,591.90/171,890.07 = 39,714.51/x
  3. Step 3: Cross multiply
    114,591.90x = 171,890.07 × 39,714.51
  4. Step 4: Simplify right side
    114,591.90x = 6,826,529,903.92
  5. Step 5: Solve for x
    x = 6,826,529,903.92/114,591.90
  6. Step 6: Final answer
    x = 59,572.53

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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.