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Finding the Fourth Proportional to 283,506.69, 425,427.48 and 103,576.14

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Solution

The fourth proportional to 283,506.69, 425,427.48 and 103,576.14 is: 155,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,506.69 : 425,427.48 = 103,576.14 : x
  2. Step 2: Convert to fraction form
    283,506.69/425,427.48 = 103,576.14/x
  3. Step 3: Cross multiply
    283,506.69x = 425,427.48 × 103,576.14
  4. Step 4: Simplify right side
    283,506.69x = 44,064,136,228.33
  5. Step 5: Solve for x
    x = 44,064,136,228.33/283,506.69
  6. Step 6: Final answer
    x = 155,425.38

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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.