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Finding the Fourth Proportional to 176,703.90, 264,861.45 and 76,847.10

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Solution

The fourth proportional to 176,703.90, 264,861.45 and 76,847.10 is: 115,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,703.90 : 264,861.45 = 76,847.10 : x
  2. Step 2: Convert to fraction form
    176,703.90/264,861.45 = 76,847.10/x
  3. Step 3: Cross multiply
    176,703.90x = 264,861.45 × 76,847.10
  4. Step 4: Simplify right side
    176,703.90x = 20,353,834,334.30
  5. Step 5: Solve for x
    x = 20,353,834,334.30/176,703.90
  6. Step 6: Final answer
    x = 115,186.11

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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.