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Finding the Fourth Proportional to 235,392.83, 324,838.27 and 127,965.56

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Solution

The fourth proportional to 235,392.83, 324,838.27 and 127,965.56 is: 176,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,392.83 : 324,838.27 = 127,965.56 : x
  2. Step 2: Convert to fraction form
    235,392.83/324,838.27 = 127,965.56/x
  3. Step 3: Cross multiply
    235,392.83x = 324,838.27 × 127,965.56
  4. Step 4: Simplify right side
    235,392.83x = 41,568,111,622.16
  5. Step 5: Solve for x
    x = 41,568,111,622.16/235,392.83
  6. Step 6: Final answer
    x = 176,590.39

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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.