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Finding the Fourth Proportional to 565,545.30, 848,310.48 and 139,084.82

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Solution

The fourth proportional to 565,545.30, 848,310.48 and 139,084.82 is: 208,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,545.30 : 848,310.48 = 139,084.82 : x
  2. Step 2: Convert to fraction form
    565,545.30/848,310.48 = 139,084.82/x
  3. Step 3: Cross multiply
    565,545.30x = 848,310.48 × 139,084.82
  4. Step 4: Simplify right side
    565,545.30x = 117,987,106,173.36
  5. Step 5: Solve for x
    x = 117,987,106,173.36/565,545.30
  6. Step 6: Final answer
    x = 208,625.39

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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.