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Finding the Fourth Proportional to 114,124.96, 171,145.56 and 39,223.88

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Solution

The fourth proportional to 114,124.96, 171,145.56 and 39,223.88 is: 58,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,124.96 : 171,145.56 = 39,223.88 : x
  2. Step 2: Convert to fraction form
    114,124.96/171,145.56 = 39,223.88/x
  3. Step 3: Cross multiply
    114,124.96x = 171,145.56 × 39,223.88
  4. Step 4: Simplify right side
    114,124.96x = 6,712,992,907.97
  5. Step 5: Solve for x
    x = 6,712,992,907.97/114,124.96
  6. Step 6: Final answer
    x = 58,821.43

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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.