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Finding the Fourth Proportional to 107,763.93, 148,708.44 and 59,364.27

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Solution

The fourth proportional to 107,763.93, 148,708.44 and 59,364.27 is: 81,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,763.93 : 148,708.44 = 59,364.27 : x
  2. Step 2: Convert to fraction form
    107,763.93/148,708.44 = 59,364.27/x
  3. Step 3: Cross multiply
    107,763.93x = 148,708.44 × 59,364.27
  4. Step 4: Simplify right side
    107,763.93x = 8,827,967,983.44
  5. Step 5: Solve for x
    x = 8,827,967,983.44/107,763.93
  6. Step 6: Final answer
    x = 81,919.51

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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.