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Finding the Fourth Proportional to 161,736, 242,335.74 and 98,364.42

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Solution

The fourth proportional to 161,736, 242,335.74 and 98,364.42 is: 147,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,736 : 242,335.74 = 98,364.42 : x
  2. Step 2: Convert to fraction form
    161,736/242,335.74 = 98,364.42/x
  3. Step 3: Cross multiply
    161,736x = 242,335.74 × 98,364.42
  4. Step 4: Simplify right side
    161,736x = 23,837,214,510.37
  5. Step 5: Solve for x
    x = 23,837,214,510.37/161,736
  6. Step 6: Final answer
    x = 147,383.48

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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.