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Finding the Fourth Proportional to 188,368.77, 259,951.65 and 102,329.37

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Solution

The fourth proportional to 188,368.77, 259,951.65 and 102,329.37 is: 141,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,368.77 : 259,951.65 = 102,329.37 : x
  2. Step 2: Convert to fraction form
    188,368.77/259,951.65 = 102,329.37/x
  3. Step 3: Cross multiply
    188,368.77x = 259,951.65 × 102,329.37
  4. Step 4: Simplify right side
    188,368.77x = 26,600,688,574.96
  5. Step 5: Solve for x
    x = 26,600,688,574.96/188,368.77
  6. Step 6: Final answer
    x = 141,216.02

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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.