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Finding the Fourth Proportional to 117,320.69, 174,471.64 and 113,583.96

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Solution

The fourth proportional to 117,320.69, 174,471.64 and 113,583.96 is: 168,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,320.69 : 174,471.64 = 113,583.96 : x
  2. Step 2: Convert to fraction form
    117,320.69/174,471.64 = 113,583.96/x
  3. Step 3: Cross multiply
    117,320.69x = 174,471.64 × 113,583.96
  4. Step 4: Simplify right side
    117,320.69x = 19,817,179,494.93
  5. Step 5: Solve for x
    x = 19,817,179,494.93/117,320.69
  6. Step 6: Final answer
    x = 168,914.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.