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Finding the Fourth Proportional to 178,606.44, 267,909.59 and 53,947.44

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Solution

The fourth proportional to 178,606.44, 267,909.59 and 53,947.44 is: 80,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,606.44 : 267,909.59 = 53,947.44 : x
  2. Step 2: Convert to fraction form
    178,606.44/267,909.59 = 53,947.44/x
  3. Step 3: Cross multiply
    178,606.44x = 267,909.59 × 53,947.44
  4. Step 4: Simplify right side
    178,606.44x = 14,453,036,666.82
  5. Step 5: Solve for x
    x = 14,453,036,666.82/178,606.44
  6. Step 6: Final answer
    x = 80,921.14

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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.