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Finding the Fourth Proportional to 565,545.80, 848,311.23 and 139,085.32

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Solution

The fourth proportional to 565,545.80, 848,311.23 and 139,085.32 is: 208,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,545.80 : 848,311.23 = 139,085.32 : x
  2. Step 2: Convert to fraction form
    565,545.80/848,311.23 = 139,085.32/x
  3. Step 3: Cross multiply
    565,545.80x = 848,311.23 × 139,085.32
  4. Step 4: Simplify right side
    565,545.80x = 117,987,638,884.14
  5. Step 5: Solve for x
    x = 117,987,638,884.14/565,545.80
  6. Step 6: Final answer
    x = 208,626.14

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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.