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Finding the Fourth Proportional to 235,636.67, 353,411.10 and 75,715.37

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Solution

The fourth proportional to 235,636.67, 353,411.10 and 75,715.37 is: 113,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,636.67 : 353,411.10 = 75,715.37 : x
  2. Step 2: Convert to fraction form
    235,636.67/353,411.10 = 75,715.37/x
  3. Step 3: Cross multiply
    235,636.67x = 353,411.10 × 75,715.37
  4. Step 4: Simplify right side
    235,636.67x = 26,758,653,082.13
  5. Step 5: Solve for x
    x = 26,758,653,082.13/235,636.67
  6. Step 6: Final answer
    x = 113,558.95

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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.