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Finding the Fourth Proportional to 235,036.80, 324,351 and 127,606.77

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Solution

The fourth proportional to 235,036.80, 324,351 and 127,606.77 is: 176,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,036.80 : 324,351 = 127,606.77 : x
  2. Step 2: Convert to fraction form
    235,036.80/324,351 = 127,606.77/x
  3. Step 3: Cross multiply
    235,036.80x = 324,351 × 127,606.77
  4. Step 4: Simplify right side
    235,036.80x = 41,389,383,456.27
  5. Step 5: Solve for x
    x = 41,389,383,456.27/235,036.80
  6. Step 6: Final answer
    x = 176,097.46

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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.