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Finding the Fourth Proportional to 95,673.22, 143,304.80 and 77,819.13

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Solution

The fourth proportional to 95,673.22, 143,304.80 and 77,819.13 is: 116,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,673.22 : 143,304.80 = 77,819.13 : x
  2. Step 2: Convert to fraction form
    95,673.22/143,304.80 = 77,819.13/x
  3. Step 3: Cross multiply
    95,673.22x = 143,304.80 × 77,819.13
  4. Step 4: Simplify right side
    95,673.22x = 11,151,854,471.73
  5. Step 5: Solve for x
    x = 11,151,854,471.73/95,673.22
  6. Step 6: Final answer
    x = 116,561.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.