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Finding the Fourth Proportional to 177,407, 244,862.79 and 116,988.56

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Solution

The fourth proportional to 177,407, 244,862.79 and 116,988.56 is: 161,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,407 : 244,862.79 = 116,988.56 : x
  2. Step 2: Convert to fraction form
    177,407/244,862.79 = 116,988.56/x
  3. Step 3: Cross multiply
    177,407x = 244,862.79 × 116,988.56
  4. Step 4: Simplify right side
    177,407x = 28,646,145,199.68
  5. Step 5: Solve for x
    x = 28,646,145,199.68/177,407
  6. Step 6: Final answer
    x = 161,471.34

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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.