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Finding the Fourth Proportional to 107,647.83, 148,540.64 and 59,897.79

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Solution

The fourth proportional to 107,647.83, 148,540.64 and 59,897.79 is: 82,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,647.83 : 148,540.64 = 59,897.79 : x
  2. Step 2: Convert to fraction form
    107,647.83/148,540.64 = 59,897.79/x
  3. Step 3: Cross multiply
    107,647.83x = 148,540.64 × 59,897.79
  4. Step 4: Simplify right side
    107,647.83x = 8,897,255,761.70
  5. Step 5: Solve for x
    x = 8,897,255,761.70/107,647.83
  6. Step 6: Final answer
    x = 82,651.51

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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.