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Finding the Fourth Proportional to 148,383.93, 204,773.64 and 91,054.93

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Solution

The fourth proportional to 148,383.93, 204,773.64 and 91,054.93 is: 125,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,383.93 : 204,773.64 = 91,054.93 : x
  2. Step 2: Convert to fraction form
    148,383.93/204,773.64 = 91,054.93/x
  3. Step 3: Cross multiply
    148,383.93x = 204,773.64 × 91,054.93
  4. Step 4: Simplify right side
    148,383.93x = 18,645,649,000.77
  5. Step 5: Solve for x
    x = 18,645,649,000.77/148,383.93
  6. Step 6: Final answer
    x = 125,658.14

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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.