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Finding the Fourth Proportional to 178,576.07, 267,861.18 and 71,957.45

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Solution

The fourth proportional to 178,576.07, 267,861.18 and 71,957.45 is: 107,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,576.07 : 267,861.18 = 71,957.45 : x
  2. Step 2: Convert to fraction form
    178,576.07/267,861.18 = 71,957.45/x
  3. Step 3: Cross multiply
    178,576.07x = 267,861.18 × 71,957.45
  4. Step 4: Simplify right side
    178,576.07x = 19,274,607,466.79
  5. Step 5: Solve for x
    x = 19,274,607,466.79/178,576.07
  6. Step 6: Final answer
    x = 107,935.00

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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.