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Finding the Fourth Proportional to 255,126.80, 352,123.72 and 168,933.84

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Solution

The fourth proportional to 255,126.80, 352,123.72 and 168,933.84 is: 233,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,126.80 : 352,123.72 = 168,933.84 : x
  2. Step 2: Convert to fraction form
    255,126.80/352,123.72 = 168,933.84/x
  3. Step 3: Cross multiply
    255,126.80x = 352,123.72 × 168,933.84
  4. Step 4: Simplify right side
    255,126.80x = 59,485,612,174.68
  5. Step 5: Solve for x
    x = 59,485,612,174.68/255,126.80
  6. Step 6: Final answer
    x = 233,160.97

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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.