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Finding the Fourth Proportional to 176,776.74, 244,042.29 and 136,399.86

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Solution

The fourth proportional to 176,776.74, 244,042.29 and 136,399.86 is: 188,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,776.74 : 244,042.29 = 136,399.86 : x
  2. Step 2: Convert to fraction form
    176,776.74/244,042.29 = 136,399.86/x
  3. Step 3: Cross multiply
    176,776.74x = 244,042.29 × 136,399.86
  4. Step 4: Simplify right side
    176,776.74x = 33,287,334,190.08
  5. Step 5: Solve for x
    x = 33,287,334,190.08/176,776.74
  6. Step 6: Final answer
    x = 188,301.55

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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.