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Finding the Fourth Proportional to 79,172.76, 118,772.10 and 37,605.72

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Solution

The fourth proportional to 79,172.76, 118,772.10 and 37,605.72 is: 56,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,172.76 : 118,772.10 = 37,605.72 : x
  2. Step 2: Convert to fraction form
    79,172.76/118,772.10 = 37,605.72/x
  3. Step 3: Cross multiply
    79,172.76x = 118,772.10 × 37,605.72
  4. Step 4: Simplify right side
    79,172.76x = 4,466,510,336.41
  5. Step 5: Solve for x
    x = 4,466,510,336.41/79,172.76
  6. Step 6: Final answer
    x = 56,414.74

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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.