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Finding the Fourth Proportional to 263,143.74, 363,129.72 and 148,425.36

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Solution

The fourth proportional to 263,143.74, 363,129.72 and 148,425.36 is: 204,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,143.74 : 363,129.72 = 148,425.36 : x
  2. Step 2: Convert to fraction form
    263,143.74/363,129.72 = 148,425.36/x
  3. Step 3: Cross multiply
    263,143.74x = 363,129.72 × 148,425.36
  4. Step 4: Simplify right side
    263,143.74x = 53,897,659,417.70
  5. Step 5: Solve for x
    x = 53,897,659,417.70/263,143.74
  6. Step 6: Final answer
    x = 204,822.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.