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Finding the Fourth Proportional to 164,425.40, 226,907.65 and 88,973.90

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Solution

The fourth proportional to 164,425.40, 226,907.65 and 88,973.90 is: 122,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,425.40 : 226,907.65 = 88,973.90 : x
  2. Step 2: Convert to fraction form
    164,425.40/226,907.65 = 88,973.90/x
  3. Step 3: Cross multiply
    164,425.40x = 226,907.65 × 88,973.90
  4. Step 4: Simplify right side
    164,425.40x = 20,188,858,560.34
  5. Step 5: Solve for x
    x = 20,188,858,560.34/164,425.40
  6. Step 6: Final answer
    x = 122,784.31

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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.