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Finding the Fourth Proportional to 255,957.42, 353,220.82 and 141,235.97

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Solution

The fourth proportional to 255,957.42, 353,220.82 and 141,235.97 is: 194,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,957.42 : 353,220.82 = 141,235.97 : x
  2. Step 2: Convert to fraction form
    255,957.42/353,220.82 = 141,235.97/x
  3. Step 3: Cross multiply
    255,957.42x = 353,220.82 × 141,235.97
  4. Step 4: Simplify right side
    255,957.42x = 49,887,486,373.04
  5. Step 5: Solve for x
    x = 49,887,486,373.04/255,957.42
  6. Step 6: Final answer
    x = 194,905.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.