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Finding the Fourth Proportional to 275,787.06, 380,574.09 and 168,536.58

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Solution

The fourth proportional to 275,787.06, 380,574.09 and 168,536.58 is: 232,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,787.06 : 380,574.09 = 168,536.58 : x
  2. Step 2: Convert to fraction form
    275,787.06/380,574.09 = 168,536.58/x
  3. Step 3: Cross multiply
    275,787.06x = 380,574.09 × 168,536.58
  4. Step 4: Simplify right side
    275,787.06x = 64,140,655,565.21
  5. Step 5: Solve for x
    x = 64,140,655,565.21/275,787.06
  6. Step 6: Final answer
    x = 232,573.11

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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.