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Finding the Fourth Proportional to 177,879.59, 245,478.42 and 97,310.51

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Solution

The fourth proportional to 177,879.59, 245,478.42 and 97,310.51 is: 134,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,879.59 : 245,478.42 = 97,310.51 : x
  2. Step 2: Convert to fraction form
    177,879.59/245,478.42 = 97,310.51/x
  3. Step 3: Cross multiply
    177,879.59x = 245,478.42 × 97,310.51
  4. Step 4: Simplify right side
    177,879.59x = 23,887,629,016.80
  5. Step 5: Solve for x
    x = 23,887,629,016.80/177,879.59
  6. Step 6: Final answer
    x = 134,291.01

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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.