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Finding the Fourth Proportional to 95,953.44, 142,965.42 and 90,588

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Solution

The fourth proportional to 95,953.44, 142,965.42 and 90,588 is: 134,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,953.44 : 142,965.42 = 90,588 : x
  2. Step 2: Convert to fraction form
    95,953.44/142,965.42 = 90,588/x
  3. Step 3: Cross multiply
    95,953.44x = 142,965.42 × 90,588
  4. Step 4: Simplify right side
    95,953.44x = 12,950,951,466.96
  5. Step 5: Solve for x
    x = 12,950,951,466.96/95,953.44
  6. Step 6: Final answer
    x = 134,971.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.