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Finding the Fourth Proportional to 164,043, 226,379.36 and 88,591.50

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Solution

The fourth proportional to 164,043, 226,379.36 and 88,591.50 is: 122,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,043 : 226,379.36 = 88,591.50 : x
  2. Step 2: Convert to fraction form
    164,043/226,379.36 = 88,591.50/x
  3. Step 3: Cross multiply
    164,043x = 226,379.36 × 88,591.50
  4. Step 4: Simplify right side
    164,043x = 20,055,287,071.44
  5. Step 5: Solve for x
    x = 20,055,287,071.44/164,043
  6. Step 6: Final answer
    x = 122,256.28

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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.