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Finding the Fourth Proportional to 235,185.69, 324,553.17 and 127,759.17

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Solution

The fourth proportional to 235,185.69, 324,553.17 and 127,759.17 is: 176,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,185.69 : 324,553.17 = 127,759.17 : x
  2. Step 2: Convert to fraction form
    235,185.69/324,553.17 = 127,759.17/x
  3. Step 3: Cross multiply
    235,185.69x = 324,553.17 × 127,759.17
  4. Step 4: Simplify right side
    235,185.69x = 41,464,643,620.07
  5. Step 5: Solve for x
    x = 41,464,643,620.07/235,185.69
  6. Step 6: Final answer
    x = 176,305.98

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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.