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Finding the Fourth Proportional to 156,650.58, 234,975.87 and 45,842.58

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Solution

The fourth proportional to 156,650.58, 234,975.87 and 45,842.58 is: 68,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,650.58 : 234,975.87 = 45,842.58 : x
  2. Step 2: Convert to fraction form
    156,650.58/234,975.87 = 45,842.58/x
  3. Step 3: Cross multiply
    156,650.58x = 234,975.87 × 45,842.58
  4. Step 4: Simplify right side
    156,650.58x = 10,771,900,118.54
  5. Step 5: Solve for x
    x = 10,771,900,118.54/156,650.58
  6. Step 6: Final answer
    x = 68,763.87

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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.