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Finding the Fourth Proportional to 166,672.62, 249,941.70 and 61,468.20

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Solution

The fourth proportional to 166,672.62, 249,941.70 and 61,468.20 is: 92,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,672.62 : 249,941.70 = 61,468.20 : x
  2. Step 2: Convert to fraction form
    166,672.62/249,941.70 = 61,468.20/x
  3. Step 3: Cross multiply
    166,672.62x = 249,941.70 × 61,468.20
  4. Step 4: Simplify right side
    166,672.62x = 15,363,466,403.94
  5. Step 5: Solve for x
    x = 15,363,466,403.94/166,672.62
  6. Step 6: Final answer
    x = 92,177.51

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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.