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Finding the Fourth Proportional to 71,197.40, 106,763.70 and 37,908.92

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Solution

The fourth proportional to 71,197.40, 106,763.70 and 37,908.92 is: 56,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,197.40 : 106,763.70 = 37,908.92 : x
  2. Step 2: Convert to fraction form
    71,197.40/106,763.70 = 37,908.92/x
  3. Step 3: Cross multiply
    71,197.40x = 106,763.70 × 37,908.92
  4. Step 4: Simplify right side
    71,197.40x = 4,047,296,562.20
  5. Step 5: Solve for x
    x = 4,047,296,562.20/71,197.40
  6. Step 6: Final answer
    x = 56,846.13

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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.