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Finding the Fourth Proportional to 223,486.08, 308,410.92 and 122,884.08

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Solution

The fourth proportional to 223,486.08, 308,410.92 and 122,884.08 is: 169,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,486.08 : 308,410.92 = 122,884.08 : x
  2. Step 2: Convert to fraction form
    223,486.08/308,410.92 = 122,884.08/x
  3. Step 3: Cross multiply
    223,486.08x = 308,410.92 × 122,884.08
  4. Step 4: Simplify right side
    223,486.08x = 37,898,792,166.15
  5. Step 5: Solve for x
    x = 37,898,792,166.15/223,486.08
  6. Step 6: Final answer
    x = 169,580.10

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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.