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Finding the Fourth Proportional to 114,797.54, 172,274.68 and 39,916.94

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Solution

The fourth proportional to 114,797.54, 172,274.68 and 39,916.94 is: 59,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,797.54 : 172,274.68 = 39,916.94 : x
  2. Step 2: Convert to fraction form
    114,797.54/172,274.68 = 39,916.94/x
  3. Step 3: Cross multiply
    114,797.54x = 172,274.68 × 39,916.94
  4. Step 4: Simplify right side
    114,797.54x = 6,876,678,065.08
  5. Step 5: Solve for x
    x = 6,876,678,065.08/114,797.54
  6. Step 6: Final answer
    x = 59,902.66

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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.