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Finding the Fourth Proportional to 252,716.74, 379,165.25 and 108,561.98

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Solution

The fourth proportional to 252,716.74, 379,165.25 and 108,561.98 is: 162,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,716.74 : 379,165.25 = 108,561.98 : x
  2. Step 2: Convert to fraction form
    252,716.74/379,165.25 = 108,561.98/x
  3. Step 3: Cross multiply
    252,716.74x = 379,165.25 × 108,561.98
  4. Step 4: Simplify right side
    252,716.74x = 41,162,931,506.51
  5. Step 5: Solve for x
    x = 41,162,931,506.51/252,716.74
  6. Step 6: Final answer
    x = 162,881.70

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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.