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Finding the Fourth Proportional to 166,522.98, 249,667.64 and 61,328.46

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Solution

The fourth proportional to 166,522.98, 249,667.64 and 61,328.46 is: 91,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,522.98 : 249,667.64 = 61,328.46 : x
  2. Step 2: Convert to fraction form
    166,522.98/249,667.64 = 61,328.46/x
  3. Step 3: Cross multiply
    166,522.98x = 249,667.64 × 61,328.46
  4. Step 4: Simplify right side
    166,522.98x = 15,311,731,873.03
  5. Step 5: Solve for x
    x = 15,311,731,873.03/166,522.98
  6. Step 6: Final answer
    x = 91,949.66

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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.