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Finding the Fourth Proportional to 71,069.40, 106,463.70 and 46,126.80

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Solution

The fourth proportional to 71,069.40, 106,463.70 and 46,126.80 is: 69,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.40 : 106,463.70 = 46,126.80 : x
  2. Step 2: Convert to fraction form
    71,069.40/106,463.70 = 46,126.80/x
  3. Step 3: Cross multiply
    71,069.40x = 106,463.70 × 46,126.80
  4. Step 4: Simplify right side
    71,069.40x = 4,910,829,797.16
  5. Step 5: Solve for x
    x = 4,910,829,797.16/71,069.40
  6. Step 6: Final answer
    x = 69,099.07

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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.