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Finding the Fourth Proportional to 177,348.72, 244,840.86 and 122,979.72

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Solution

The fourth proportional to 177,348.72, 244,840.86 and 122,979.72 is: 169,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,348.72 : 244,840.86 = 122,979.72 : x
  2. Step 2: Convert to fraction form
    177,348.72/244,840.86 = 122,979.72/x
  3. Step 3: Cross multiply
    177,348.72x = 244,840.86 × 122,979.72
  4. Step 4: Simplify right side
    177,348.72x = 30,110,460,407.36
  5. Step 5: Solve for x
    x = 30,110,460,407.36/177,348.72
  6. Step 6: Final answer
    x = 169,781.10

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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.