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Finding the Fourth Proportional to 283,661.64, 425,554.68 and 83,997.60

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Solution

The fourth proportional to 283,661.64, 425,554.68 and 83,997.60 is: 126,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,661.64 : 425,554.68 = 83,997.60 : x
  2. Step 2: Convert to fraction form
    283,661.64/425,554.68 = 83,997.60/x
  3. Step 3: Cross multiply
    283,661.64x = 425,554.68 × 83,997.60
  4. Step 4: Simplify right side
    283,661.64x = 35,745,571,788.77
  5. Step 5: Solve for x
    x = 35,745,571,788.77/283,661.64
  6. Step 6: Final answer
    x = 126,014.82

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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.