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Finding the Fourth Proportional to 141,354.88, 195,071.24 and 76,824.11

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Solution

The fourth proportional to 141,354.88, 195,071.24 and 76,824.11 is: 106,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,354.88 : 195,071.24 = 76,824.11 : x
  2. Step 2: Convert to fraction form
    141,354.88/195,071.24 = 76,824.11/x
  3. Step 3: Cross multiply
    141,354.88x = 195,071.24 × 76,824.11
  4. Step 4: Simplify right side
    141,354.88x = 14,986,174,713.58
  5. Step 5: Solve for x
    x = 14,986,174,713.58/141,354.88
  6. Step 6: Final answer
    x = 106,018.10

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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.