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Finding the Fourth Proportional to 144,625.69, 216,916.26 and 39,452.86

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Solution

The fourth proportional to 144,625.69, 216,916.26 and 39,452.86 is: 59,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625.69 : 216,916.26 = 39,452.86 : x
  2. Step 2: Convert to fraction form
    144,625.69/216,916.26 = 39,452.86/x
  3. Step 3: Cross multiply
    144,625.69x = 216,916.26 × 39,452.86
  4. Step 4: Simplify right side
    144,625.69x = 8,557,966,837.50
  5. Step 5: Solve for x
    x = 8,557,966,837.50/144,625.69
  6. Step 6: Final answer
    x = 59,173.21

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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.