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Finding the Fourth Proportional to 283,599.49, 425,467.13 and 81,198.41

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Solution

The fourth proportional to 283,599.49, 425,467.13 and 81,198.41 is: 121,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,599.49 : 425,467.13 = 81,198.41 : x
  2. Step 2: Convert to fraction form
    283,599.49/425,467.13 = 81,198.41/x
  3. Step 3: Cross multiply
    283,599.49x = 425,467.13 × 81,198.41
  4. Step 4: Simplify right side
    283,599.49x = 34,547,254,463.26
  5. Step 5: Solve for x
    x = 34,547,254,463.26/283,599.49
  6. Step 6: Final answer
    x = 121,817.05

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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.