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Finding the Fourth Proportional to 223,104.08, 307,884.68 and 122,502

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Solution

The fourth proportional to 223,104.08, 307,884.68 and 122,502 is: 169,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,104.08 : 307,884.68 = 122,502 : x
  2. Step 2: Convert to fraction form
    223,104.08/307,884.68 = 122,502/x
  3. Step 3: Cross multiply
    223,104.08x = 307,884.68 × 122,502
  4. Step 4: Simplify right side
    223,104.08x = 37,716,489,069.36
  5. Step 5: Solve for x
    x = 37,716,489,069.36/223,104.08
  6. Step 6: Final answer
    x = 169,053.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.