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Finding the Fourth Proportional to 71,329.40, 106,902.51 and 26,903.23

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Solution

The fourth proportional to 71,329.40, 106,902.51 and 26,903.23 is: 40,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.40 : 106,902.51 = 26,903.23 : x
  2. Step 2: Convert to fraction form
    71,329.40/106,902.51 = 26,903.23/x
  3. Step 3: Cross multiply
    71,329.40x = 106,902.51 × 26,903.23
  4. Step 4: Simplify right side
    71,329.40x = 2,876,022,814.11
  5. Step 5: Solve for x
    x = 2,876,022,814.11/71,329.40
  6. Step 6: Final answer
    x = 40,320.30

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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.