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Finding the Fourth Proportional to 307,132.91, 460,722.69 and 104,666.09

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Solution

The fourth proportional to 307,132.91, 460,722.69 and 104,666.09 is: 157,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,132.91 : 460,722.69 = 104,666.09 : x
  2. Step 2: Convert to fraction form
    307,132.91/460,722.69 = 104,666.09/x
  3. Step 3: Cross multiply
    307,132.91x = 460,722.69 × 104,666.09
  4. Step 4: Simplify right side
    307,132.91x = 48,222,042,536.58
  5. Step 5: Solve for x
    x = 48,222,042,536.58/307,132.91
  6. Step 6: Final answer
    x = 157,007.08

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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.