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Finding the Fourth Proportional to 168,684.76, 232,799.79 and 93,247.84

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Solution

The fourth proportional to 168,684.76, 232,799.79 and 93,247.84 is: 128,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,684.76 : 232,799.79 = 93,247.84 : x
  2. Step 2: Convert to fraction form
    168,684.76/232,799.79 = 93,247.84/x
  3. Step 3: Cross multiply
    168,684.76x = 232,799.79 × 93,247.84
  4. Step 4: Simplify right side
    168,684.76x = 21,708,077,569.95
  5. Step 5: Solve for x
    x = 21,708,077,569.95/168,684.76
  6. Step 6: Final answer
    x = 128,690.21

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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.