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Finding the Fourth Proportional to 302,616.48, 417,610.81 and 166,650.08

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Solution

The fourth proportional to 302,616.48, 417,610.81 and 166,650.08 is: 229,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,616.48 : 417,610.81 = 166,650.08 : x
  2. Step 2: Convert to fraction form
    302,616.48/417,610.81 = 166,650.08/x
  3. Step 3: Cross multiply
    302,616.48x = 417,610.81 × 166,650.08
  4. Step 4: Simplify right side
    302,616.48x = 69,594,873,434.71
  5. Step 5: Solve for x
    x = 69,594,873,434.71/302,616.48
  6. Step 6: Final answer
    x = 229,977.15

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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.