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Finding the Fourth Proportional to 110,758.68, 152,793.77 and 72,501.39

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Solution

The fourth proportional to 110,758.68, 152,793.77 and 72,501.39 is: 100,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,758.68 : 152,793.77 = 72,501.39 : x
  2. Step 2: Convert to fraction form
    110,758.68/152,793.77 = 72,501.39/x
  3. Step 3: Cross multiply
    110,758.68x = 152,793.77 × 72,501.39
  4. Step 4: Simplify right side
    110,758.68x = 11,077,760,345.83
  5. Step 5: Solve for x
    x = 11,077,760,345.83/110,758.68
  6. Step 6: Final answer
    x = 100,017.09

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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.