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Finding the Fourth Proportional to 164,479.56, 226,970.74 and 92,862.60

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Solution

The fourth proportional to 164,479.56, 226,970.74 and 92,862.60 is: 128,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,479.56 : 226,970.74 = 92,862.60 : x
  2. Step 2: Convert to fraction form
    164,479.56/226,970.74 = 92,862.60/x
  3. Step 3: Cross multiply
    164,479.56x = 226,970.74 × 92,862.60
  4. Step 4: Simplify right side
    164,479.56x = 21,077,093,040.32
  5. Step 5: Solve for x
    x = 21,077,093,040.32/164,479.56
  6. Step 6: Final answer
    x = 128,144.15

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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.