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Finding the Fourth Proportional to 95,539.80, 143,291.48 and 28,982.10

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Solution

The fourth proportional to 95,539.80, 143,291.48 and 28,982.10 is: 43,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,539.80 : 143,291.48 = 28,982.10 : x
  2. Step 2: Convert to fraction form
    95,539.80/143,291.48 = 28,982.10/x
  3. Step 3: Cross multiply
    95,539.80x = 143,291.48 × 28,982.10
  4. Step 4: Simplify right side
    95,539.80x = 4,152,887,857.60
  5. Step 5: Solve for x
    x = 4,152,887,857.60/95,539.80
  6. Step 6: Final answer
    x = 43,467.62

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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.