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Finding the Fourth Proportional to 236,894.45, 326,930.09 and 133,554.12

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Solution

The fourth proportional to 236,894.45, 326,930.09 and 133,554.12 is: 184,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,894.45 : 326,930.09 = 133,554.12 : x
  2. Step 2: Convert to fraction form
    236,894.45/326,930.09 = 133,554.12/x
  3. Step 3: Cross multiply
    236,894.45x = 326,930.09 × 133,554.12
  4. Step 4: Simplify right side
    236,894.45x = 43,662,859,803.70
  5. Step 5: Solve for x
    x = 43,662,859,803.70/236,894.45
  6. Step 6: Final answer
    x = 184,313.57

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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.