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Finding the Fourth Proportional to 166,862.76, 250,274.70 and 67,018.92

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Solution

The fourth proportional to 166,862.76, 250,274.70 and 67,018.92 is: 100,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,862.76 : 250,274.70 = 67,018.92 : x
  2. Step 2: Convert to fraction form
    166,862.76/250,274.70 = 67,018.92/x
  3. Step 3: Cross multiply
    166,862.76x = 250,274.70 × 67,018.92
  4. Step 4: Simplify right side
    166,862.76x = 16,773,140,097.32
  5. Step 5: Solve for x
    x = 16,773,140,097.32/166,862.76
  6. Step 6: Final answer
    x = 100,520.57

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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.