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Finding the Fourth Proportional to 167,978.02, 231,809.60 and 92,526.52

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Solution

The fourth proportional to 167,978.02, 231,809.60 and 92,526.52 is: 127,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,978.02 : 231,809.60 = 92,526.52 : x
  2. Step 2: Convert to fraction form
    167,978.02/231,809.60 = 92,526.52/x
  3. Step 3: Cross multiply
    167,978.02x = 231,809.60 × 92,526.52
  4. Step 4: Simplify right side
    167,978.02x = 21,448,535,590.59
  5. Step 5: Solve for x
    x = 21,448,535,590.59/167,978.02
  6. Step 6: Final answer
    x = 127,686.56

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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.