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Finding the Fourth Proportional to 255,747.56, 352,952.64 and 141,048.64

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Solution

The fourth proportional to 255,747.56, 352,952.64 and 141,048.64 is: 194,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,747.56 : 352,952.64 = 141,048.64 : x
  2. Step 2: Convert to fraction form
    255,747.56/352,952.64 = 141,048.64/x
  3. Step 3: Cross multiply
    255,747.56x = 352,952.64 × 141,048.64
  4. Step 4: Simplify right side
    255,747.56x = 49,783,488,091.65
  5. Step 5: Solve for x
    x = 49,783,488,091.65/255,747.56
  6. Step 6: Final answer
    x = 194,658.70

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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.