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Finding the Fourth Proportional to 255,758.56, 352,938.72 and 141,042.04

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Solution

The fourth proportional to 255,758.56, 352,938.72 and 141,042.04 is: 194,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,758.56 : 352,938.72 = 141,042.04 : x
  2. Step 2: Convert to fraction form
    255,758.56/352,938.72 = 141,042.04/x
  3. Step 3: Cross multiply
    255,758.56x = 352,938.72 × 141,042.04
  4. Step 4: Simplify right side
    255,758.56x = 49,779,197,063.79
  5. Step 5: Solve for x
    x = 49,779,197,063.79/255,758.56
  6. Step 6: Final answer
    x = 194,633.55

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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.