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Finding the Fourth Proportional to 150,542.60, 225,554.70 and 71,486.60

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Solution

The fourth proportional to 150,542.60, 225,554.70 and 71,486.60 is: 107,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,542.60 : 225,554.70 = 71,486.60 : x
  2. Step 2: Convert to fraction form
    150,542.60/225,554.70 = 71,486.60/x
  3. Step 3: Cross multiply
    150,542.60x = 225,554.70 × 71,486.60
  4. Step 4: Simplify right side
    150,542.60x = 16,124,138,617.02
  5. Step 5: Solve for x
    x = 16,124,138,617.02/150,542.60
  6. Step 6: Final answer
    x = 107,106.82

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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.