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Finding the Fourth Proportional to 178,870.40, 267,998.40 and 94,505.60

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Solution

The fourth proportional to 178,870.40, 267,998.40 and 94,505.60 is: 141,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,870.40 : 267,998.40 = 94,505.60 : x
  2. Step 2: Convert to fraction form
    178,870.40/267,998.40 = 94,505.60/x
  3. Step 3: Cross multiply
    178,870.40x = 267,998.40 × 94,505.60
  4. Step 4: Simplify right side
    178,870.40x = 25,327,349,591.04
  5. Step 5: Solve for x
    x = 25,327,349,591.04/178,870.40
  6. Step 6: Final answer
    x = 141,596.09

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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.