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Finding the Fourth Proportional to 229,078.68, 316,006.52 and 133,550.52

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Solution

The fourth proportional to 229,078.68, 316,006.52 and 133,550.52 is: 184,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,078.68 : 316,006.52 = 133,550.52 : x
  2. Step 2: Convert to fraction form
    229,078.68/316,006.52 = 133,550.52/x
  3. Step 3: Cross multiply
    229,078.68x = 316,006.52 × 133,550.52
  4. Step 4: Simplify right side
    229,078.68x = 42,202,835,069.39
  5. Step 5: Solve for x
    x = 42,202,835,069.39/229,078.68
  6. Step 6: Final answer
    x = 184,228.56

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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.