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Finding the Fourth Proportional to 73,113.54, 109,677.53 and 30,410.20

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Solution

The fourth proportional to 73,113.54, 109,677.53 and 30,410.20 is: 45,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,113.54 : 109,677.53 = 30,410.20 : x
  2. Step 2: Convert to fraction form
    73,113.54/109,677.53 = 30,410.20/x
  3. Step 3: Cross multiply
    73,113.54x = 109,677.53 × 30,410.20
  4. Step 4: Simplify right side
    73,113.54x = 3,335,315,835.93
  5. Step 5: Solve for x
    x = 3,335,315,835.93/73,113.54
  6. Step 6: Final answer
    x = 45,618.31

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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.