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Finding the Fourth Proportional to 185,915.66, 278,817.60 and 52,806.74

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Solution

The fourth proportional to 185,915.66, 278,817.60 and 52,806.74 is: 79,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,915.66 : 278,817.60 = 52,806.74 : x
  2. Step 2: Convert to fraction form
    185,915.66/278,817.60 = 52,806.74/x
  3. Step 3: Cross multiply
    185,915.66x = 278,817.60 × 52,806.74
  4. Step 4: Simplify right side
    185,915.66x = 14,723,448,510.62
  5. Step 5: Solve for x
    x = 14,723,448,510.62/185,915.66
  6. Step 6: Final answer
    x = 79,194.24

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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.