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Finding the Fourth Proportional to 283,883.44, 425,752.50 and 84,157.12

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Solution

The fourth proportional to 283,883.44, 425,752.50 and 84,157.12 is: 126,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,883.44 : 425,752.50 = 84,157.12 : x
  2. Step 2: Convert to fraction form
    283,883.44/425,752.50 = 84,157.12/x
  3. Step 3: Cross multiply
    283,883.44x = 425,752.50 × 84,157.12
  4. Step 4: Simplify right side
    283,883.44x = 35,830,104,232.80
  5. Step 5: Solve for x
    x = 35,830,104,232.80/283,883.44
  6. Step 6: Final answer
    x = 126,214.14

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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.