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Finding the Fourth Proportional to 161,695.36, 242,540.88 and 41,752.72

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Solution

The fourth proportional to 161,695.36, 242,540.88 and 41,752.72 is: 62,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,695.36 : 242,540.88 = 41,752.72 : x
  2. Step 2: Convert to fraction form
    161,695.36/242,540.88 = 41,752.72/x
  3. Step 3: Cross multiply
    161,695.36x = 242,540.88 × 41,752.72
  4. Step 4: Simplify right side
    161,695.36x = 10,126,741,451.19
  5. Step 5: Solve for x
    x = 10,126,741,451.19/161,695.36
  6. Step 6: Final answer
    x = 62,628.52

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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.