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Finding the Fourth Proportional to 71,197.66, 106,812.71 and 37,900.18

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Solution

The fourth proportional to 71,197.66, 106,812.71 and 37,900.18 is: 56,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,197.66 : 106,812.71 = 37,900.18 : x
  2. Step 2: Convert to fraction form
    71,197.66/106,812.71 = 37,900.18/x
  3. Step 3: Cross multiply
    71,197.66x = 106,812.71 × 37,900.18
  4. Step 4: Simplify right side
    71,197.66x = 4,048,220,211.72
  5. Step 5: Solve for x
    x = 4,048,220,211.72/71,197.66
  6. Step 6: Final answer
    x = 56,858.90

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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.