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Finding the Fourth Proportional to 178,777.53, 267,914.79 and 141,172.07

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Solution

The fourth proportional to 178,777.53, 267,914.79 and 141,172.07 is: 211,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,777.53 : 267,914.79 = 141,172.07 : x
  2. Step 2: Convert to fraction form
    178,777.53/267,914.79 = 141,172.07/x
  3. Step 3: Cross multiply
    178,777.53x = 267,914.79 × 141,172.07
  4. Step 4: Simplify right side
    178,777.53x = 37,822,084,148.34
  5. Step 5: Solve for x
    x = 37,822,084,148.34/178,777.53
  6. Step 6: Final answer
    x = 211,559.50

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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.