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Finding the Fourth Proportional to 107,958.93, 148,935.13 and 62,610.63

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Solution

The fourth proportional to 107,958.93, 148,935.13 and 62,610.63 is: 86,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,958.93 : 148,935.13 = 62,610.63 : x
  2. Step 2: Convert to fraction form
    107,958.93/148,935.13 = 62,610.63/x
  3. Step 3: Cross multiply
    107,958.93x = 148,935.13 × 62,610.63
  4. Step 4: Simplify right side
    107,958.93x = 9,324,922,318.43
  5. Step 5: Solve for x
    x = 9,324,922,318.43/107,958.93
  6. Step 6: Final answer
    x = 86,374.72

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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.