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Finding the Fourth Proportional to 178,562.58, 267,814.62 and 66,216.42

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Solution

The fourth proportional to 178,562.58, 267,814.62 and 66,216.42 is: 99,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,562.58 : 267,814.62 = 66,216.42 : x
  2. Step 2: Convert to fraction form
    178,562.58/267,814.62 = 66,216.42/x
  3. Step 3: Cross multiply
    178,562.58x = 267,814.62 × 66,216.42
  4. Step 4: Simplify right side
    178,562.58x = 17,733,725,360.06
  5. Step 5: Solve for x
    x = 17,733,725,360.06/178,562.58
  6. Step 6: Final answer
    x = 99,313.78

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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.