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Finding the Fourth Proportional to 164,791.56, 227,421.36 and 93,177.84

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Solution

The fourth proportional to 164,791.56, 227,421.36 and 93,177.84 is: 128,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,791.56 : 227,421.36 = 93,177.84 : x
  2. Step 2: Convert to fraction form
    164,791.56/227,421.36 = 93,177.84/x
  3. Step 3: Cross multiply
    164,791.56x = 227,421.36 × 93,177.84
  4. Step 4: Simplify right side
    164,791.56x = 21,190,631,094.66
  5. Step 5: Solve for x
    x = 21,190,631,094.66/164,791.56
  6. Step 6: Final answer
    x = 128,590.51

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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.