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Finding the Fourth Proportional to 116,611.60, 174,874.20 and 37,728.40

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Solution

The fourth proportional to 116,611.60, 174,874.20 and 37,728.40 is: 56,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,611.60 : 174,874.20 = 37,728.40 : x
  2. Step 2: Convert to fraction form
    116,611.60/174,874.20 = 37,728.40/x
  3. Step 3: Cross multiply
    116,611.60x = 174,874.20 × 37,728.40
  4. Step 4: Simplify right side
    116,611.60x = 6,597,723,767.28
  5. Step 5: Solve for x
    x = 6,597,723,767.28/116,611.60
  6. Step 6: Final answer
    x = 56,578.62

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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.