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Finding the Fourth Proportional to 176,747.80, 264,830.10 and 87,809.80

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Solution

The fourth proportional to 176,747.80, 264,830.10 and 87,809.80 is: 131,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,747.80 : 264,830.10 = 87,809.80 : x
  2. Step 2: Convert to fraction form
    176,747.80/264,830.10 = 87,809.80/x
  3. Step 3: Cross multiply
    176,747.80x = 264,830.10 × 87,809.80
  4. Step 4: Simplify right side
    176,747.80x = 23,254,678,114.98
  5. Step 5: Solve for x
    x = 23,254,678,114.98/176,747.80
  6. Step 6: Final answer
    x = 131,569.83

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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.