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Finding the Fourth Proportional to 164,668.61, 227,239.71 and 93,047.09

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Solution

The fourth proportional to 164,668.61, 227,239.71 and 93,047.09 is: 128,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,668.61 : 227,239.71 = 93,047.09 : x
  2. Step 2: Convert to fraction form
    164,668.61/227,239.71 = 93,047.09/x
  3. Step 3: Cross multiply
    164,668.61x = 227,239.71 × 93,047.09
  4. Step 4: Simplify right side
    164,668.61x = 21,143,992,611.75
  5. Step 5: Solve for x
    x = 21,143,992,611.75/164,668.61
  6. Step 6: Final answer
    x = 128,403.30

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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.