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Finding the Fourth Proportional to 255,747.39, 352,952.40 and 141,048.47

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Solution

The fourth proportional to 255,747.39, 352,952.40 and 141,048.47 is: 194,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,747.39 : 352,952.40 = 141,048.47 : x
  2. Step 2: Convert to fraction form
    255,747.39/352,952.40 = 141,048.47/x
  3. Step 3: Cross multiply
    255,747.39x = 352,952.40 × 141,048.47
  4. Step 4: Simplify right side
    255,747.39x = 49,783,394,238.07
  5. Step 5: Solve for x
    x = 49,783,394,238.07/255,747.39
  6. Step 6: Final answer
    x = 194,658.46

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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.