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Finding the Fourth Proportional to 229,269.54, 315,871.51 and 177,408.31

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Solution

The fourth proportional to 229,269.54, 315,871.51 and 177,408.31 is: 244,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,269.54 : 315,871.51 = 177,408.31 : x
  2. Step 2: Convert to fraction form
    229,269.54/315,871.51 = 177,408.31/x
  3. Step 3: Cross multiply
    229,269.54x = 315,871.51 × 177,408.31
  4. Step 4: Simplify right side
    229,269.54x = 56,038,229,089.53
  5. Step 5: Solve for x
    x = 56,038,229,089.53/229,269.54
  6. Step 6: Final answer
    x = 244,420.74

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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.