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Finding the Fourth Proportional to 252,072.64, 347,884.76 and 188,299.72

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Solution

The fourth proportional to 252,072.64, 347,884.76 and 188,299.72 is: 259,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,072.64 : 347,884.76 = 188,299.72 : x
  2. Step 2: Convert to fraction form
    252,072.64/347,884.76 = 188,299.72/x
  3. Step 3: Cross multiply
    252,072.64x = 347,884.76 × 188,299.72
  4. Step 4: Simplify right side
    252,072.64x = 65,506,602,900.27
  5. Step 5: Solve for x
    x = 65,506,602,900.27/252,072.64
  6. Step 6: Final answer
    x = 259,871.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.