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Finding the Fourth Proportional to 73,110.42, 109,672.91 and 26,352.36

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Solution

The fourth proportional to 73,110.42, 109,672.91 and 26,352.36 is: 39,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,110.42 : 109,672.91 = 26,352.36 : x
  2. Step 2: Convert to fraction form
    73,110.42/109,672.91 = 26,352.36/x
  3. Step 3: Cross multiply
    73,110.42x = 109,672.91 × 26,352.36
  4. Step 4: Simplify right side
    73,110.42x = 2,890,139,874.81
  5. Step 5: Solve for x
    x = 2,890,139,874.81/73,110.42
  6. Step 6: Final answer
    x = 39,531.16

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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.