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Finding the Fourth Proportional to 188,127.81, 259,737.98 and 116,583.75

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Solution

The fourth proportional to 188,127.81, 259,737.98 and 116,583.75 is: 160,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,127.81 : 259,737.98 = 116,583.75 : x
  2. Step 2: Convert to fraction form
    188,127.81/259,737.98 = 116,583.75/x
  3. Step 3: Cross multiply
    188,127.81x = 259,737.98 × 116,583.75
  4. Step 4: Simplify right side
    188,127.81x = 30,281,227,142.91
  5. Step 5: Solve for x
    x = 30,281,227,142.91/188,127.81
  6. Step 6: Final answer
    x = 160,960.93

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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.