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Finding the Fourth Proportional to 176,316.60, 264,734.10 and 123,958.20

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Solution

The fourth proportional to 176,316.60, 264,734.10 and 123,958.20 is: 186,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,316.60 : 264,734.10 = 123,958.20 : x
  2. Step 2: Convert to fraction form
    176,316.60/264,734.10 = 123,958.20/x
  3. Step 3: Cross multiply
    176,316.60x = 264,734.10 × 123,958.20
  4. Step 4: Simplify right side
    176,316.60x = 32,815,962,514.62
  5. Step 5: Solve for x
    x = 32,815,962,514.62/176,316.60
  6. Step 6: Final answer
    x = 186,119.53

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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.