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Finding the Fourth Proportional to 97,641.99, 134,739.60 and 54,614.04

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Solution

The fourth proportional to 97,641.99, 134,739.60 and 54,614.04 is: 75,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,641.99 : 134,739.60 = 54,614.04 : x
  2. Step 2: Convert to fraction form
    97,641.99/134,739.60 = 54,614.04/x
  3. Step 3: Cross multiply
    97,641.99x = 134,739.60 × 54,614.04
  4. Step 4: Simplify right side
    97,641.99x = 7,358,673,903.98
  5. Step 5: Solve for x
    x = 7,358,673,903.98/97,641.99
  6. Step 6: Final answer
    x = 75,363.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.