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Finding the Fourth Proportional to 169,304.80, 253,438.80 and 122,648.80

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Solution

The fourth proportional to 169,304.80, 253,438.80 and 122,648.80 is: 183,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,304.80 : 253,438.80 = 122,648.80 : x
  2. Step 2: Convert to fraction form
    169,304.80/253,438.80 = 122,648.80/x
  3. Step 3: Cross multiply
    169,304.80x = 253,438.80 × 122,648.80
  4. Step 4: Simplify right side
    169,304.80x = 31,083,964,693.44
  5. Step 5: Solve for x
    x = 31,083,964,693.44/169,304.80
  6. Step 6: Final answer
    x = 183,597.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.