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Finding the Fourth Proportional to 283,248.56, 424,872.84 and 105,769.42

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Solution

The fourth proportional to 283,248.56, 424,872.84 and 105,769.42 is: 158,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,248.56 : 424,872.84 = 105,769.42 : x
  2. Step 2: Convert to fraction form
    283,248.56/424,872.84 = 105,769.42/x
  3. Step 3: Cross multiply
    283,248.56x = 424,872.84 × 105,769.42
  4. Step 4: Simplify right side
    283,248.56x = 44,938,553,860.55
  5. Step 5: Solve for x
    x = 44,938,553,860.55/283,248.56
  6. Step 6: Final answer
    x = 158,654.13

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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.