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Finding the Fourth Proportional to 166,468.72, 249,586.38 and 61,274.08

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Solution

The fourth proportional to 166,468.72, 249,586.38 and 61,274.08 is: 91,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,468.72 : 249,586.38 = 61,274.08 : x
  2. Step 2: Convert to fraction form
    166,468.72/249,586.38 = 61,274.08/x
  3. Step 3: Cross multiply
    166,468.72x = 249,586.38 × 61,274.08
  4. Step 4: Simplify right side
    166,468.72x = 15,293,175,815.03
  5. Step 5: Solve for x
    x = 15,293,175,815.03/166,468.72
  6. Step 6: Final answer
    x = 91,868.16

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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.