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Finding the Fourth Proportional to 95,873.58, 143,748.09 and 39,698.46

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Solution

The fourth proportional to 95,873.58, 143,748.09 and 39,698.46 is: 59,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,873.58 : 143,748.09 = 39,698.46 : x
  2. Step 2: Convert to fraction form
    95,873.58/143,748.09 = 39,698.46/x
  3. Step 3: Cross multiply
    95,873.58x = 143,748.09 × 39,698.46
  4. Step 4: Simplify right side
    95,873.58x = 5,706,577,800.94
  5. Step 5: Solve for x
    x = 5,706,577,800.94/95,873.58
  6. Step 6: Final answer
    x = 59,521.90

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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.