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Finding the Fourth Proportional to 176,511.10, 264,897.90 and 71,330.98

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Solution

The fourth proportional to 176,511.10, 264,897.90 and 71,330.98 is: 107,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,511.10 : 264,897.90 = 71,330.98 : x
  2. Step 2: Convert to fraction form
    176,511.10/264,897.90 = 71,330.98/x
  3. Step 3: Cross multiply
    176,511.10x = 264,897.90 × 71,330.98
  4. Step 4: Simplify right side
    176,511.10x = 18,895,426,806.94
  5. Step 5: Solve for x
    x = 18,895,426,806.94/176,511.10
  6. Step 6: Final answer
    x = 107,049.51

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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.