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Finding the Fourth Proportional to 61,324.70, 92,051.38 and 54,349.34

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Solution

The fourth proportional to 61,324.70, 92,051.38 and 54,349.34 is: 81,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,324.70 : 92,051.38 = 54,349.34 : x
  2. Step 2: Convert to fraction form
    61,324.70/92,051.38 = 54,349.34/x
  3. Step 3: Cross multiply
    61,324.70x = 92,051.38 × 54,349.34
  4. Step 4: Simplify right side
    61,324.70x = 5,002,931,749.09
  5. Step 5: Solve for x
    x = 5,002,931,749.09/61,324.70
  6. Step 6: Final answer
    x = 81,581.02

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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.