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Finding the Fourth Proportional to 202,888.44, 279,973.80 and 122,342.04

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Solution

The fourth proportional to 202,888.44, 279,973.80 and 122,342.04 is: 168,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,888.44 : 279,973.80 = 122,342.04 : x
  2. Step 2: Convert to fraction form
    202,888.44/279,973.80 = 122,342.04/x
  3. Step 3: Cross multiply
    202,888.44x = 279,973.80 × 122,342.04
  4. Step 4: Simplify right side
    202,888.44x = 34,252,565,838.55
  5. Step 5: Solve for x
    x = 34,252,565,838.55/202,888.44
  6. Step 6: Final answer
    x = 168,824.63

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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.