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Finding the Fourth Proportional to 229,424.40, 316,550.28 and 133,876.56

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Solution

The fourth proportional to 229,424.40, 316,550.28 and 133,876.56 is: 184,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,424.40 : 316,550.28 = 133,876.56 : x
  2. Step 2: Convert to fraction form
    229,424.40/316,550.28 = 133,876.56/x
  3. Step 3: Cross multiply
    229,424.40x = 316,550.28 × 133,876.56
  4. Step 4: Simplify right side
    229,424.40x = 42,378,662,553.44
  5. Step 5: Solve for x
    x = 42,378,662,553.44/229,424.40
  6. Step 6: Final answer
    x = 184,717.33

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1.5x scale

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.