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Finding the Fourth Proportional to 178,064.55, 267,110.65 and 51,706.88

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Solution

The fourth proportional to 178,064.55, 267,110.65 and 51,706.88 is: 77,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,064.55 : 267,110.65 = 51,706.88 : x
  2. Step 2: Convert to fraction form
    178,064.55/267,110.65 = 51,706.88/x
  3. Step 3: Cross multiply
    178,064.55x = 267,110.65 × 51,706.88
  4. Step 4: Simplify right side
    178,064.55x = 13,811,458,326.27
  5. Step 5: Solve for x
    x = 13,811,458,326.27/178,064.55
  6. Step 6: Final answer
    x = 77,564.33

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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.