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Finding the Fourth Proportional to 237,281.85, 355,866.89 and 68,757.71

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Solution

The fourth proportional to 237,281.85, 355,866.89 and 68,757.71 is: 103,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,281.85 : 355,866.89 = 68,757.71 : x
  2. Step 2: Convert to fraction form
    237,281.85/355,866.89 = 68,757.71/x
  3. Step 3: Cross multiply
    237,281.85x = 355,866.89 × 68,757.71
  4. Step 4: Simplify right side
    237,281.85x = 24,468,590,298.10
  5. Step 5: Solve for x
    x = 24,468,590,298.10/237,281.85
  6. Step 6: Final answer
    x = 103,120.36

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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.