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Finding the Fourth Proportional to 166,309.62, 249,562.84 and 61,202.40

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Solution

The fourth proportional to 166,309.62, 249,562.84 and 61,202.40 is: 91,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,309.62 : 249,562.84 = 61,202.40 : x
  2. Step 2: Convert to fraction form
    166,309.62/249,562.84 = 61,202.40/x
  3. Step 3: Cross multiply
    166,309.62x = 249,562.84 × 61,202.40
  4. Step 4: Simplify right side
    166,309.62x = 15,273,844,758.82
  5. Step 5: Solve for x
    x = 15,273,844,758.82/166,309.62
  6. Step 6: Final answer
    x = 91,839.82

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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.