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Finding the Fourth Proportional to 176,234.80, 264,006.60 and 105,905.20

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Solution

The fourth proportional to 176,234.80, 264,006.60 and 105,905.20 is: 158,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,234.80 : 264,006.60 = 105,905.20 : x
  2. Step 2: Convert to fraction form
    176,234.80/264,006.60 = 105,905.20/x
  3. Step 3: Cross multiply
    176,234.80x = 264,006.60 × 105,905.20
  4. Step 4: Simplify right side
    176,234.80x = 27,959,671,774.32
  5. Step 5: Solve for x
    x = 27,959,671,774.32/176,234.80
  6. Step 6: Final answer
    x = 158,650.12

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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.