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Finding the Fourth Proportional to 166,465.17, 249,760.70 and 99,951.57

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Solution

The fourth proportional to 166,465.17, 249,760.70 and 99,951.57 is: 149,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,465.17 : 249,760.70 = 99,951.57 : x
  2. Step 2: Convert to fraction form
    166,465.17/249,760.70 = 99,951.57/x
  3. Step 3: Cross multiply
    166,465.17x = 249,760.70 × 99,951.57
  4. Step 4: Simplify right side
    166,465.17x = 24,963,973,589.54
  5. Step 5: Solve for x
    x = 24,963,973,589.54/166,465.17
  6. Step 6: Final answer
    x = 149,965.15

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1.5x scale

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.