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Finding the Fourth Proportional to 178,646.88, 267,576.66 and 99,564.96

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Solution

The fourth proportional to 178,646.88, 267,576.66 and 99,564.96 is: 149,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,646.88 : 267,576.66 = 99,564.96 : x
  2. Step 2: Convert to fraction form
    178,646.88/267,576.66 = 99,564.96/x
  3. Step 3: Cross multiply
    178,646.88x = 267,576.66 × 99,564.96
  4. Step 4: Simplify right side
    178,646.88x = 26,641,259,449.83
  5. Step 5: Solve for x
    x = 26,641,259,449.83/178,646.88
  6. Step 6: Final answer
    x = 149,128.04

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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.