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Finding the Fourth Proportional to 95,779.56, 143,657.46 and 25,663.80

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Solution

The fourth proportional to 95,779.56, 143,657.46 and 25,663.80 is: 38,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,779.56 : 143,657.46 = 25,663.80 : x
  2. Step 2: Convert to fraction form
    95,779.56/143,657.46 = 25,663.80/x
  3. Step 3: Cross multiply
    95,779.56x = 143,657.46 × 25,663.80
  4. Step 4: Simplify right side
    95,779.56x = 3,686,796,321.95
  5. Step 5: Solve for x
    x = 3,686,796,321.95/95,779.56
  6. Step 6: Final answer
    x = 38,492.52

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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.