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Finding the Fourth Proportional to 162,858.13, 224,741.59 and 91,237.93

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Solution

The fourth proportional to 162,858.13, 224,741.59 and 91,237.93 is: 125,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,858.13 : 224,741.59 = 91,237.93 : x
  2. Step 2: Convert to fraction form
    162,858.13/224,741.59 = 91,237.93/x
  3. Step 3: Cross multiply
    162,858.13x = 224,741.59 × 91,237.93
  4. Step 4: Simplify right side
    162,858.13x = 20,504,957,456.51
  5. Step 5: Solve for x
    x = 20,504,957,456.51/162,858.13
  6. Step 6: Final answer
    x = 125,906.87

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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.