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Finding the Fourth Proportional to 179,613, 247,876.38 and 99,057.66

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Solution

The fourth proportional to 179,613, 247,876.38 and 99,057.66 is: 136,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,613 : 247,876.38 = 99,057.66 : x
  2. Step 2: Convert to fraction form
    179,613/247,876.38 = 99,057.66/x
  3. Step 3: Cross multiply
    179,613x = 247,876.38 × 99,057.66
  4. Step 4: Simplify right side
    179,613x = 24,554,054,172.07
  5. Step 5: Solve for x
    x = 24,554,054,172.07/179,613
  6. Step 6: Final answer
    x = 136,705.33

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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.