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Finding the Fourth Proportional to 565,530.25, 848,287.96 and 139,069.75

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Solution

The fourth proportional to 565,530.25, 848,287.96 and 139,069.75 is: 208,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,530.25 : 848,287.96 = 139,069.75 : x
  2. Step 2: Convert to fraction form
    565,530.25/848,287.96 = 139,069.75/x
  3. Step 3: Cross multiply
    565,530.25x = 848,287.96 × 139,069.75
  4. Step 4: Simplify right side
    565,530.25x = 117,971,194,525.21
  5. Step 5: Solve for x
    x = 117,971,194,525.21/565,530.25
  6. Step 6: Final answer
    x = 208,602.80

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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.