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Finding the Fourth Proportional to 283,348.70, 424,920.90 and 93,774.06

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Solution

The fourth proportional to 283,348.70, 424,920.90 and 93,774.06 is: 140,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,348.70 : 424,920.90 = 93,774.06 : x
  2. Step 2: Convert to fraction form
    283,348.70/424,920.90 = 93,774.06/x
  3. Step 3: Cross multiply
    283,348.70x = 424,920.90 × 93,774.06
  4. Step 4: Simplify right side
    283,348.70x = 39,846,557,971.85
  5. Step 5: Solve for x
    x = 39,846,557,971.85/283,348.70
  6. Step 6: Final answer
    x = 140,627.28

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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.