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Finding the Fourth Proportional to 395,189.96, 592,786.35 and 95,669.96

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Solution

The fourth proportional to 395,189.96, 592,786.35 and 95,669.96 is: 143,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,189.96 : 592,786.35 = 95,669.96 : x
  2. Step 2: Convert to fraction form
    395,189.96/592,786.35 = 95,669.96/x
  3. Step 3: Cross multiply
    395,189.96x = 592,786.35 × 95,669.96
  4. Step 4: Simplify right side
    395,189.96x = 56,711,843,429.11
  5. Step 5: Solve for x
    x = 56,711,843,429.11/395,189.96
  6. Step 6: Final answer
    x = 143,505.28

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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.