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Finding the Fourth Proportional to 176,000.70, 264,001.05 and 87,219.90

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Solution

The fourth proportional to 176,000.70, 264,001.05 and 87,219.90 is: 130,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,000.70 : 264,001.05 = 87,219.90 : x
  2. Step 2: Convert to fraction form
    176,000.70/264,001.05 = 87,219.90/x
  3. Step 3: Cross multiply
    176,000.70x = 264,001.05 × 87,219.90
  4. Step 4: Simplify right side
    176,000.70x = 23,026,145,180.90
  5. Step 5: Solve for x
    x = 23,026,145,180.90/176,000.70
  6. Step 6: Final answer
    x = 130,829.85

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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.