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Finding the Fourth Proportional to 166,502.20, 249,753.30 and 61,299.40

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Solution

The fourth proportional to 166,502.20, 249,753.30 and 61,299.40 is: 91,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502.20 : 249,753.30 = 61,299.40 : x
  2. Step 2: Convert to fraction form
    166,502.20/249,753.30 = 61,299.40/x
  3. Step 3: Cross multiply
    166,502.20x = 249,753.30 × 61,299.40
  4. Step 4: Simplify right side
    166,502.20x = 15,309,727,438.02
  5. Step 5: Solve for x
    x = 15,309,727,438.02/166,502.20
  6. Step 6: Final answer
    x = 91,949.10

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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.