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Finding the Fourth Proportional to 225,051.73, 310,684.32 and 173,948.97

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Solution

The fourth proportional to 225,051.73, 310,684.32 and 173,948.97 is: 240,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,051.73 : 310,684.32 = 173,948.97 : x
  2. Step 2: Convert to fraction form
    225,051.73/310,684.32 = 173,948.97/x
  3. Step 3: Cross multiply
    225,051.73x = 310,684.32 × 173,948.97
  4. Step 4: Simplify right side
    225,051.73x = 54,043,217,261.19
  5. Step 5: Solve for x
    x = 54,043,217,261.19/225,051.73
  6. Step 6: Final answer
    x = 240,136.87

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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.