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Finding the Fourth Proportional to 176,706.49, 264,874.65 and 86,624.77

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Solution

The fourth proportional to 176,706.49, 264,874.65 and 86,624.77 is: 129,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,706.49 : 264,874.65 = 86,624.77 : x
  2. Step 2: Convert to fraction form
    176,706.49/264,874.65 = 86,624.77/x
  3. Step 3: Cross multiply
    176,706.49x = 264,874.65 × 86,624.77
  4. Step 4: Simplify right side
    176,706.49x = 22,944,705,635.08
  5. Step 5: Solve for x
    x = 22,944,705,635.08/176,706.49
  6. Step 6: Final answer
    x = 129,846.42

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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.