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Finding the Fourth Proportional to 114,791.34, 172,177.29 and 39,898.74

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Solution

The fourth proportional to 114,791.34, 172,177.29 and 39,898.74 is: 59,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,791.34 : 172,177.29 = 39,898.74 : x
  2. Step 2: Convert to fraction form
    114,791.34/172,177.29 = 39,898.74/x
  3. Step 3: Cross multiply
    114,791.34x = 172,177.29 × 39,898.74
  4. Step 4: Simplify right side
    114,791.34x = 6,869,656,927.61
  5. Step 5: Solve for x
    x = 6,869,656,927.61/114,791.34
  6. Step 6: Final answer
    x = 59,844.73

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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.