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Finding the Fourth Proportional to 73,563.90, 110,403.45 and 34,125.90

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Solution

The fourth proportional to 73,563.90, 110,403.45 and 34,125.90 is: 51,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,563.90 : 110,403.45 = 34,125.90 : x
  2. Step 2: Convert to fraction form
    73,563.90/110,403.45 = 34,125.90/x
  3. Step 3: Cross multiply
    73,563.90x = 110,403.45 × 34,125.90
  4. Step 4: Simplify right side
    73,563.90x = 3,767,617,094.36
  5. Step 5: Solve for x
    x = 3,767,617,094.36/73,563.90
  6. Step 6: Final answer
    x = 51,215.57

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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.