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Finding the Fourth Proportional to 179,513.82, 247,743.32 and 98,955.68

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Solution

The fourth proportional to 179,513.82, 247,743.32 and 98,955.68 is: 136,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,513.82 : 247,743.32 = 98,955.68 : x
  2. Step 2: Convert to fraction form
    179,513.82/247,743.32 = 98,955.68/x
  3. Step 3: Cross multiply
    179,513.82x = 247,743.32 × 98,955.68
  4. Step 4: Simplify right side
    179,513.82x = 24,515,606,962.56
  5. Step 5: Solve for x
    x = 24,515,606,962.56/179,513.82
  6. Step 6: Final answer
    x = 136,566.68

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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.