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Finding the Fourth Proportional to 163,656.96, 225,583.29 and 122,196.92

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Solution

The fourth proportional to 163,656.96, 225,583.29 and 122,196.92 is: 168,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,656.96 : 225,583.29 = 122,196.92 : x
  2. Step 2: Convert to fraction form
    163,656.96/225,583.29 = 122,196.92/x
  3. Step 3: Cross multiply
    163,656.96x = 225,583.29 × 122,196.92
  4. Step 4: Simplify right side
    163,656.96x = 27,565,582,113.55
  5. Step 5: Solve for x
    x = 27,565,582,113.55/163,656.96
  6. Step 6: Final answer
    x = 168,435.13

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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.