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Finding the Fourth Proportional to 73,705.36, 110,580.20 and 26,314.40

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Solution

The fourth proportional to 73,705.36, 110,580.20 and 26,314.40 is: 39,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,705.36 : 110,580.20 = 26,314.40 : x
  2. Step 2: Convert to fraction form
    73,705.36/110,580.20 = 26,314.40/x
  3. Step 3: Cross multiply
    73,705.36x = 110,580.20 × 26,314.40
  4. Step 4: Simplify right side
    73,705.36x = 2,909,851,614.88
  5. Step 5: Solve for x
    x = 2,909,851,614.88/73,705.36
  6. Step 6: Final answer
    x = 39,479.51

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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.