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Finding the Fourth Proportional to 268,773.53, 370,922.78 and 154,071.26

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Solution

The fourth proportional to 268,773.53, 370,922.78 and 154,071.26 is: 212,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,773.53 : 370,922.78 = 154,071.26 : x
  2. Step 2: Convert to fraction form
    268,773.53/370,922.78 = 154,071.26/x
  3. Step 3: Cross multiply
    268,773.53x = 370,922.78 × 154,071.26
  4. Step 4: Simplify right side
    268,773.53x = 57,148,540,077.30
  5. Step 5: Solve for x
    x = 57,148,540,077.30/268,773.53
  6. Step 6: Final answer
    x = 212,627.11

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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.