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Finding the Fourth Proportional to 164,242.88, 226,655.71 and 88,791.92

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Solution

The fourth proportional to 164,242.88, 226,655.71 and 88,791.92 is: 122,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,242.88 : 226,655.71 = 88,791.92 : x
  2. Step 2: Convert to fraction form
    164,242.88/226,655.71 = 88,791.92/x
  3. Step 3: Cross multiply
    164,242.88x = 226,655.71 × 88,791.92
  4. Step 4: Simplify right side
    164,242.88x = 20,125,194,314.60
  5. Step 5: Solve for x
    x = 20,125,194,314.60/164,242.88
  6. Step 6: Final answer
    x = 122,533.13

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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.