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Finding the Fourth Proportional to 235,009.63, 324,279.07 and 134,388.19

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Solution

The fourth proportional to 235,009.63, 324,279.07 and 134,388.19 is: 185,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,009.63 : 324,279.07 = 134,388.19 : x
  2. Step 2: Convert to fraction form
    235,009.63/324,279.07 = 134,388.19/x
  3. Step 3: Cross multiply
    235,009.63x = 324,279.07 × 134,388.19
  4. Step 4: Simplify right side
    235,009.63x = 43,579,277,272.18
  5. Step 5: Solve for x
    x = 43,579,277,272.18/235,009.63
  6. Step 6: Final answer
    x = 185,436.13

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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.