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Finding the Fourth Proportional to 250,799.51, 346,102.84 and 136,078.12

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Solution

The fourth proportional to 250,799.51, 346,102.84 and 136,078.12 is: 187,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,799.51 : 346,102.84 = 136,078.12 : x
  2. Step 2: Convert to fraction form
    250,799.51/346,102.84 = 136,078.12/x
  3. Step 3: Cross multiply
    250,799.51x = 346,102.84 × 136,078.12
  4. Step 4: Simplify right side
    250,799.51x = 47,097,024,725.97
  5. Step 5: Solve for x
    x = 47,097,024,725.97/250,799.51
  6. Step 6: Final answer
    x = 187,787.55

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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.