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Finding the Fourth Proportional to 204,703.59, 307,055.69 and 104,809.33

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Solution

The fourth proportional to 204,703.59, 307,055.69 and 104,809.33 is: 157,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,703.59 : 307,055.69 = 104,809.33 : x
  2. Step 2: Convert to fraction form
    204,703.59/307,055.69 = 104,809.33/x
  3. Step 3: Cross multiply
    204,703.59x = 307,055.69 × 104,809.33
  4. Step 4: Simplify right side
    204,703.59x = 32,182,301,141.59
  5. Step 5: Solve for x
    x = 32,182,301,141.59/204,703.59
  6. Step 6: Final answer
    x = 157,214.15

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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.