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Finding the Fourth Proportional to 225,070.40, 337,643.40 and 67,314.80

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Solution

The fourth proportional to 225,070.40, 337,643.40 and 67,314.80 is: 100,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,070.40 : 337,643.40 = 67,314.80 : x
  2. Step 2: Convert to fraction form
    225,070.40/337,643.40 = 67,314.80/x
  3. Step 3: Cross multiply
    225,070.40x = 337,643.40 × 67,314.80
  4. Step 4: Simplify right side
    225,070.40x = 22,728,397,942.32
  5. Step 5: Solve for x
    x = 22,728,397,942.32/225,070.40
  6. Step 6: Final answer
    x = 100,983.51

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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.