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Finding the Fourth Proportional to 235,184.70, 324,551.80 and 127,758.18

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Solution

The fourth proportional to 235,184.70, 324,551.80 and 127,758.18 is: 176,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,184.70 : 324,551.80 = 127,758.18 : x
  2. Step 2: Convert to fraction form
    235,184.70/324,551.80 = 127,758.18/x
  3. Step 3: Cross multiply
    235,184.70x = 324,551.80 × 127,758.18
  4. Step 4: Simplify right side
    235,184.70x = 41,464,147,283.72
  5. Step 5: Solve for x
    x = 41,464,147,283.72/235,184.70
  6. Step 6: Final answer
    x = 176,304.61

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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.