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Finding the Fourth Proportional to 235,423.86, 324,887.24 and 127,996.20

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Solution

The fourth proportional to 235,423.86, 324,887.24 and 127,996.20 is: 176,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,423.86 : 324,887.24 = 127,996.20 : x
  2. Step 2: Convert to fraction form
    235,423.86/324,887.24 = 127,996.20/x
  3. Step 3: Cross multiply
    235,423.86x = 324,887.24 × 127,996.20
  4. Step 4: Simplify right side
    235,423.86x = 41,584,332,148.49
  5. Step 5: Solve for x
    x = 41,584,332,148.49/235,423.86
  6. Step 6: Final answer
    x = 176,636.01

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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.