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Finding the Fourth Proportional to 226,295.56, 312,288 and 124,327.60

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Solution

The fourth proportional to 226,295.56, 312,288 and 124,327.60 is: 171,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,295.56 : 312,288 = 124,327.60 : x
  2. Step 2: Convert to fraction form
    226,295.56/312,288 = 124,327.60/x
  3. Step 3: Cross multiply
    226,295.56x = 312,288 × 124,327.60
  4. Step 4: Simplify right side
    226,295.56x = 38,826,017,548.80
  5. Step 5: Solve for x
    x = 38,826,017,548.80/226,295.56
  6. Step 6: Final answer
    x = 171,572.16

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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.