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Finding the Fourth Proportional to 95,777.76, 143,539.92 and 73,506

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Solution

The fourth proportional to 95,777.76, 143,539.92 and 73,506 is: 110,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,777.76 : 143,539.92 = 73,506 : x
  2. Step 2: Convert to fraction form
    95,777.76/143,539.92 = 73,506/x
  3. Step 3: Cross multiply
    95,777.76x = 143,539.92 × 73,506
  4. Step 4: Simplify right side
    95,777.76x = 10,551,045,359.52
  5. Step 5: Solve for x
    x = 10,551,045,359.52/95,777.76
  6. Step 6: Final answer
    x = 110,161.75

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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.