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Finding the Fourth Proportional to 255,667.33, 352,822.67 and 142,497.37

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Solution

The fourth proportional to 255,667.33, 352,822.67 and 142,497.37 is: 196,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,667.33 : 352,822.67 = 142,497.37 : x
  2. Step 2: Convert to fraction form
    255,667.33/352,822.67 = 142,497.37/x
  3. Step 3: Cross multiply
    255,667.33x = 352,822.67 × 142,497.37
  4. Step 4: Simplify right side
    255,667.33x = 50,276,302,551.38
  5. Step 5: Solve for x
    x = 50,276,302,551.38/255,667.33
  6. Step 6: Final answer
    x = 196,647.35

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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.