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Finding the Fourth Proportional to 95,374.74, 143,055.50 and 28,815.22

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Solution

The fourth proportional to 95,374.74, 143,055.50 and 28,815.22 is: 43,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,374.74 : 143,055.50 = 28,815.22 : x
  2. Step 2: Convert to fraction form
    95,374.74/143,055.50 = 28,815.22/x
  3. Step 3: Cross multiply
    95,374.74x = 143,055.50 × 28,815.22
  4. Step 4: Simplify right side
    95,374.74x = 4,122,175,739.45
  5. Step 5: Solve for x
    x = 4,122,175,739.45/95,374.74
  6. Step 6: Final answer
    x = 43,220.83

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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.