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Finding the Fourth Proportional to 365,438.66, 548,217.09 and 112,660.00

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Solution

The fourth proportional to 365,438.66, 548,217.09 and 112,660.00 is: 169,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,438.66 : 548,217.09 = 112,660.00 : x
  2. Step 2: Convert to fraction form
    365,438.66/548,217.09 = 112,660.00/x
  3. Step 3: Cross multiply
    365,438.66x = 548,217.09 × 112,660.00
  4. Step 4: Simplify right side
    365,438.66x = 61,762,135,988.86
  5. Step 5: Solve for x
    x = 61,762,135,988.86/365,438.66
  6. Step 6: Final answer
    x = 169,008.22

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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.