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Finding the Fourth Proportional to 283,697.96, 425,487.98 and 83,971.50

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Solution

The fourth proportional to 283,697.96, 425,487.98 and 83,971.50 is: 125,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,697.96 : 425,487.98 = 83,971.50 : x
  2. Step 2: Convert to fraction form
    283,697.96/425,487.98 = 83,971.50/x
  3. Step 3: Cross multiply
    283,697.96x = 425,487.98 × 83,971.50
  4. Step 4: Simplify right side
    283,697.96x = 35,728,863,912.57
  5. Step 5: Solve for x
    x = 35,728,863,912.57/283,697.96
  6. Step 6: Final answer
    x = 125,939.80

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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.