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Finding the Fourth Proportional to 162,517.64, 224,274.94 and 90,893.09

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Solution

The fourth proportional to 162,517.64, 224,274.94 and 90,893.09 is: 125,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,517.64 : 224,274.94 = 90,893.09 : x
  2. Step 2: Convert to fraction form
    162,517.64/224,274.94 = 90,893.09/x
  3. Step 3: Cross multiply
    162,517.64x = 224,274.94 × 90,893.09
  4. Step 4: Simplify right side
    162,517.64x = 20,385,042,639.62
  5. Step 5: Solve for x
    x = 20,385,042,639.62/162,517.64
  6. Step 6: Final answer
    x = 125,432.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.