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Finding the Fourth Proportional to 141,131.52, 194,762.88 and 76,601.34

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Solution

The fourth proportional to 141,131.52, 194,762.88 and 76,601.34 is: 105,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,131.52 : 194,762.88 = 76,601.34 : x
  2. Step 2: Convert to fraction form
    141,131.52/194,762.88 = 76,601.34/x
  3. Step 3: Cross multiply
    141,131.52x = 194,762.88 × 76,601.34
  4. Step 4: Simplify right side
    141,131.52x = 14,919,097,590.26
  5. Step 5: Solve for x
    x = 14,919,097,590.26/141,131.52
  6. Step 6: Final answer
    x = 105,710.60

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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.