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Finding the Fourth Proportional to 255,575.27, 352,696.19 and 140,858.01

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Solution

The fourth proportional to 255,575.27, 352,696.19 and 140,858.01 is: 194,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,575.27 : 352,696.19 = 140,858.01 : x
  2. Step 2: Convert to fraction form
    255,575.27/352,696.19 = 140,858.01/x
  3. Step 3: Cross multiply
    255,575.27x = 352,696.19 × 140,858.01
  4. Step 4: Simplify right side
    255,575.27x = 49,680,082,753.69
  5. Step 5: Solve for x
    x = 49,680,082,753.69/255,575.27
  6. Step 6: Final answer
    x = 194,385.33

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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.