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Finding the Fourth Proportional to 95,712.94, 143,575.23 and 29,157.94

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Solution

The fourth proportional to 95,712.94, 143,575.23 and 29,157.94 is: 43,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,712.94 : 143,575.23 = 29,157.94 : x
  2. Step 2: Convert to fraction form
    95,712.94/143,575.23 = 29,157.94/x
  3. Step 3: Cross multiply
    95,712.94x = 143,575.23 × 29,157.94
  4. Step 4: Simplify right side
    95,712.94x = 4,186,357,941.83
  5. Step 5: Solve for x
    x = 4,186,357,941.83/95,712.94
  6. Step 6: Final answer
    x = 43,738.68

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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.