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Finding the Fourth Proportional to 73,477.90, 110,265.91 and 26,730.78

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Solution

The fourth proportional to 73,477.90, 110,265.91 and 26,730.78 is: 40,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,477.90 : 110,265.91 = 26,730.78 : x
  2. Step 2: Convert to fraction form
    73,477.90/110,265.91 = 26,730.78/x
  3. Step 3: Cross multiply
    73,477.90x = 110,265.91 × 26,730.78
  4. Step 4: Simplify right side
    73,477.90x = 2,947,493,301.39
  5. Step 5: Solve for x
    x = 2,947,493,301.39/73,477.90
  6. Step 6: Final answer
    x = 40,114.01

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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.