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Finding the Fourth Proportional to 176,387.62, 243,450.33 and 104,753.80

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Solution

The fourth proportional to 176,387.62, 243,450.33 and 104,753.80 is: 144,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,387.62 : 243,450.33 = 104,753.80 : x
  2. Step 2: Convert to fraction form
    176,387.62/243,450.33 = 104,753.80/x
  3. Step 3: Cross multiply
    176,387.62x = 243,450.33 × 104,753.80
  4. Step 4: Simplify right side
    176,387.62x = 25,502,345,961.50
  5. Step 5: Solve for x
    x = 25,502,345,961.50/176,387.62
  6. Step 6: Final answer
    x = 144,581.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.