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Finding the Fourth Proportional to 364,041.10, 545,964.45 and 111,321.10

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Solution

The fourth proportional to 364,041.10, 545,964.45 and 111,321.10 is: 166,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,041.10 : 545,964.45 = 111,321.10 : x
  2. Step 2: Convert to fraction form
    364,041.10/545,964.45 = 111,321.10/x
  3. Step 3: Cross multiply
    364,041.10x = 545,964.45 × 111,321.10
  4. Step 4: Simplify right side
    364,041.10x = 60,777,363,134.90
  5. Step 5: Solve for x
    x = 60,777,363,134.90/364,041.10
  6. Step 6: Final answer
    x = 166,951.93

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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.