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Finding the Fourth Proportional to 188,545.98, 260,186.79 and 103,662.39

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Solution

The fourth proportional to 188,545.98, 260,186.79 and 103,662.39 is: 143,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,545.98 : 260,186.79 = 103,662.39 : x
  2. Step 2: Convert to fraction form
    188,545.98/260,186.79 = 103,662.39/x
  3. Step 3: Cross multiply
    188,545.98x = 260,186.79 × 103,662.39
  4. Step 4: Simplify right side
    188,545.98x = 26,971,584,497.83
  5. Step 5: Solve for x
    x = 26,971,584,497.83/188,545.98
  6. Step 6: Final answer
    x = 143,050.44

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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.