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Finding the Fourth Proportional to 186,662.34, 279,936 and 53,506.98

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Solution

The fourth proportional to 186,662.34, 279,936 and 53,506.98 is: 80,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,662.34 : 279,936 = 53,506.98 : x
  2. Step 2: Convert to fraction form
    186,662.34/279,936 = 53,506.98/x
  3. Step 3: Cross multiply
    186,662.34x = 279,936 × 53,506.98
  4. Step 4: Simplify right side
    186,662.34x = 14,978,529,953.28
  5. Step 5: Solve for x
    x = 14,978,529,953.28/186,662.34
  6. Step 6: Final answer
    x = 80,243.98

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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.