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Finding the Fourth Proportional to 235,168.16, 324,522.72 and 127,736

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Solution

The fourth proportional to 235,168.16, 324,522.72 and 127,736 is: 176,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,168.16 : 324,522.72 = 127,736 : x
  2. Step 2: Convert to fraction form
    235,168.16/324,522.72 = 127,736/x
  3. Step 3: Cross multiply
    235,168.16x = 324,522.72 × 127,736
  4. Step 4: Simplify right side
    235,168.16x = 41,453,234,161.92
  5. Step 5: Solve for x
    x = 41,453,234,161.92/235,168.16
  6. Step 6: Final answer
    x = 176,270.61

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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.