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Finding the Fourth Proportional to 73,291.48, 101,144.50 and 41,459.80

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Solution

The fourth proportional to 73,291.48, 101,144.50 and 41,459.80 is: 57,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,291.48 : 101,144.50 = 41,459.80 : x
  2. Step 2: Convert to fraction form
    73,291.48/101,144.50 = 41,459.80/x
  3. Step 3: Cross multiply
    73,291.48x = 101,144.50 × 41,459.80
  4. Step 4: Simplify right side
    73,291.48x = 4,193,430,741.10
  5. Step 5: Solve for x
    x = 4,193,430,741.10/73,291.48
  6. Step 6: Final answer
    x = 57,215.80

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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.