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Finding the Fourth Proportional to 166,931.84, 250,409.30 and 67,092.12

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Solution

The fourth proportional to 166,931.84, 250,409.30 and 67,092.12 is: 100,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,931.84 : 250,409.30 = 67,092.12 : x
  2. Step 2: Convert to fraction form
    166,931.84/250,409.30 = 67,092.12/x
  3. Step 3: Cross multiply
    166,931.84x = 250,409.30 × 67,092.12
  4. Step 4: Simplify right side
    166,931.84x = 16,800,490,804.72
  5. Step 5: Solve for x
    x = 16,800,490,804.72/166,931.84
  6. Step 6: Final answer
    x = 100,642.82

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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.