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Finding the Fourth Proportional to 145,454.58, 218,282.31 and 95,558.58

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Solution

The fourth proportional to 145,454.58, 218,282.31 and 95,558.58 is: 143,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,454.58 : 218,282.31 = 95,558.58 : x
  2. Step 2: Convert to fraction form
    145,454.58/218,282.31 = 95,558.58/x
  3. Step 3: Cross multiply
    145,454.58x = 218,282.31 × 95,558.58
  4. Step 4: Simplify right side
    145,454.58x = 20,858,747,582.72
  5. Step 5: Solve for x
    x = 20,858,747,582.72/145,454.58
  6. Step 6: Final answer
    x = 143,403.86

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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.