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Finding the Fourth Proportional to 230,798.55, 346,163.19 and 73,006.50

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Solution

The fourth proportional to 230,798.55, 346,163.19 and 73,006.50 is: 109,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,798.55 : 346,163.19 = 73,006.50 : x
  2. Step 2: Convert to fraction form
    230,798.55/346,163.19 = 73,006.50/x
  3. Step 3: Cross multiply
    230,798.55x = 346,163.19 × 73,006.50
  4. Step 4: Simplify right side
    230,798.55x = 25,272,160,834.89
  5. Step 5: Solve for x
    x = 25,272,160,834.89/230,798.55
  6. Step 6: Final answer
    x = 109,498.79

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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.