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Finding the Fourth Proportional to 166,776, 250,124.64 and 54,427.20

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Solution

The fourth proportional to 166,776, 250,124.64 and 54,427.20 is: 81,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,776 : 250,124.64 = 54,427.20 : x
  2. Step 2: Convert to fraction form
    166,776/250,124.64 = 54,427.20/x
  3. Step 3: Cross multiply
    166,776x = 250,124.64 × 54,427.20
  4. Step 4: Simplify right side
    166,776x = 13,613,583,806.21
  5. Step 5: Solve for x
    x = 13,613,583,806.21/166,776
  6. Step 6: Final answer
    x = 81,627.95

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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.