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Finding the Fourth Proportional to 186,573.36, 279,808.71 and 51,605.09

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Solution

The fourth proportional to 186,573.36, 279,808.71 and 51,605.09 is: 77,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,573.36 : 279,808.71 = 51,605.09 : x
  2. Step 2: Convert to fraction form
    186,573.36/279,808.71 = 51,605.09/x
  3. Step 3: Cross multiply
    186,573.36x = 279,808.71 × 51,605.09
  4. Step 4: Simplify right side
    186,573.36x = 14,439,553,662.33
  5. Step 5: Solve for x
    x = 14,439,553,662.33/186,573.36
  6. Step 6: Final answer
    x = 77,393.44

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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.