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Finding the Fourth Proportional to 235,364.88, 324,805.70 and 127,935.16

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Solution

The fourth proportional to 235,364.88, 324,805.70 and 127,935.16 is: 176,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,364.88 : 324,805.70 = 127,935.16 : x
  2. Step 2: Convert to fraction form
    235,364.88/324,805.70 = 127,935.16/x
  3. Step 3: Cross multiply
    235,364.88x = 324,805.70 × 127,935.16
  4. Step 4: Simplify right side
    235,364.88x = 41,554,069,198.41
  5. Step 5: Solve for x
    x = 41,554,069,198.41/235,364.88
  6. Step 6: Final answer
    x = 176,551.70

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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.