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Finding the Fourth Proportional to 250,033.80, 375,087.15 and 81,525.45

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Solution

The fourth proportional to 250,033.80, 375,087.15 and 81,525.45 is: 122,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,033.80 : 375,087.15 = 81,525.45 : x
  2. Step 2: Convert to fraction form
    250,033.80/375,087.15 = 81,525.45/x
  3. Step 3: Cross multiply
    250,033.80x = 375,087.15 × 81,525.45
  4. Step 4: Simplify right side
    250,033.80x = 30,579,148,692.97
  5. Step 5: Solve for x
    x = 30,579,148,692.97/250,033.80
  6. Step 6: Final answer
    x = 122,300.06

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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.