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Finding the Fourth Proportional to 565,543.80, 848,308.23 and 139,083.32

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Solution

The fourth proportional to 565,543.80, 848,308.23 and 139,083.32 is: 208,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,543.80 : 848,308.23 = 139,083.32 : x
  2. Step 2: Convert to fraction form
    565,543.80/848,308.23 = 139,083.32/x
  3. Step 3: Cross multiply
    565,543.80x = 848,308.23 × 139,083.32
  4. Step 4: Simplify right side
    565,543.80x = 117,985,520,770.18
  5. Step 5: Solve for x
    x = 117,985,520,770.18/565,543.80
  6. Step 6: Final answer
    x = 208,623.14

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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.