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Finding the Fourth Proportional to 141,165.72, 194,802.57 and 77,504.58

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Solution

The fourth proportional to 141,165.72, 194,802.57 and 77,504.58 is: 106,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,165.72 : 194,802.57 = 77,504.58 : x
  2. Step 2: Convert to fraction form
    141,165.72/194,802.57 = 77,504.58/x
  3. Step 3: Cross multiply
    141,165.72x = 194,802.57 × 77,504.58
  4. Step 4: Simplify right side
    141,165.72x = 15,098,091,370.77
  5. Step 5: Solve for x
    x = 15,098,091,370.77/141,165.72
  6. Step 6: Final answer
    x = 106,952.96

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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.