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Finding the Fourth Proportional to 255,624.50, 352,764.27 and 140,907.56

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Solution

The fourth proportional to 255,624.50, 352,764.27 and 140,907.56 is: 194,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,624.50 : 352,764.27 = 140,907.56 : x
  2. Step 2: Convert to fraction form
    255,624.50/352,764.27 = 140,907.56/x
  3. Step 3: Cross multiply
    255,624.50x = 352,764.27 × 140,907.56
  4. Step 4: Simplify right side
    255,624.50x = 49,707,151,836.34
  5. Step 5: Solve for x
    x = 49,707,151,836.34/255,624.50
  6. Step 6: Final answer
    x = 194,453.79

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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.